Module 2 INTRAPARTUM - LECTURE 5 Flashcards
check slide 3 Must and 5 and 11-13-17-24- 56-59- 62
Based on the provided information, here’s a summary of the clinical assessment and plan for the 29-year-old pregnant patient at 39 2/7 weeks gestation:
Clinical Assessment:
G3T1P0A1L1 (Gravida 3, Term 1, Para 0, Abortus 1, Living 1).
Contractions every 5 minutes, lasting 60-70 seconds, for the past 10 hours.
Cervical exam at presentation: 4cm dilated, 50% effaced, +1 station, bulging amniotic sac.
Fetal heart rate tracing (EFM) showing a category 1 tracing.
Blood type B, Rh factor negative with Anti D antibodies.
Hemoglobin (Hgb) 11.0, Hematocrit (Hct) 31, WBC 19, Platelets (Plts) 230.
Negative STIs (Sexually Transmitted Infections) and diabetes.
Positive for Group B Streptococcus (GBS).
Previous postpartum hemorrhage and episiotomy.
Plan:
Admission for Labor and Delivery: The patient is to be admitted for labor and delivery due to active labor (4cm dilated) and positive progress (now 5cm dilated) during the second cervical exam.
Continuous Fetal Monitoring: Continuous electronic fetal monitoring (EFM) is in place, and the tracing shows a category 1 tracing, indicating that fetal well-being is reassuring.
Rhogam Administration: Rhogam was administered at 28 weeks gestation, as the patient is Rh-negative and had Anti D antibodies.
Epidural Request: The patient has requested an epidural for pain management during labor. The CRNA (Certified Registered Nurse Anesthetist) has been called to provide epidural anesthesia.
Breastfeeding Plan: The patient plans to breastfeed her infant and requests immediate skin-to-skin contact and no interventions to the infant until after the first feeding. This is consistent with breastfeeding best practices and the baby-friendly initiative.
Management of GBS: Given the positive Group B Streptococcus (GBS) status, the patient will likely receive intrapartum antibiotics to reduce the risk of neonatal GBS infection.
Previous Postpartum Hemorrhage and Episiotomy: The patient’s history of postpartum hemorrhage and episiotomy should be considered in labor management and delivery planning. The healthcare team should be prepared to address potential complications and minimize the risk of excessive bleeding.
Ongoing Monitoring: The patient should continue to be closely monitored throughout labor and delivery, with appropriate interventions and support provided as needed.
Maternal age and its effect on pregnancies outcomes
Adolescent Pregnancy (12-19 years of age):
Adolescents are still growing and developing themselves, and their bodies may not be fully prepared for pregnancy and childbirth.
Risks associated with adolescent pregnancy include a higher likelihood of preterm birth, low birth weight, and an increased risk of high blood pressure and anemia during pregnancy.
Adolescents may also face challenges in accessing prenatal care and may have limited social and financial support.
20 - 35 years of
age:
This age group is generally considered to be in the “optimal” childbearing age range, as women in their 20s and early 30s are more likely to have healthy pregnancies and fewer complications.
Pregnancy outcomes are often favorable in this age range, with a lower risk of preterm birth and birth defects compared to both younger and older mothers.
However, individual health and lifestyle factors can still influence pregnancy outcomes.
Advanced Maternal Age (>35 years of age):
Advanced maternal age pregnancies are those occurring in women over 35.
Risks associated with advanced maternal age include a higher likelihood of gestational diabetes, preeclampsia, and chromosomal abnormalities (e.g., Down syndrome).
There is also a slightly increased risk of infertility and the need for fertility treatments in this age group.
Advanced maternal age may be associated with a higher rate of cesarean section deliveries.
Passageway cock 6 lol
Pelvis Structure:
The maternal pelvis is a bony structure that forms the framework for the birth canal. It consists of the hip bones (ilium, ischium, and pubis), sacrum, and coccyx.
The shape and size of the pelvis can vary among individuals, and these variations can impact the ease or difficulty of labor and childbirth.
The pelvis is divided into different types based on its shape, with the gynecoid type being the most favorable for childbirth.
Birth Canal (Soft Tissues):
The birth canal consists of both bony and soft tissue structures that the baby must pass through during delivery.
The soft tissue components of the birth canal include the cervix (which dilates and effaces during labor), the vagina (which expands to accommodate the baby’s head), and the perineum (the area between the vagina and the anus).
Laboring Position:
The position in which a person labors and gives birth can influence the progress of labor and the ease of passage through the birth canal.
Upright positions, such as standing, squatting, or being on hands and knees, can be advantageous as they can utilize gravity to aid the baby’s descent through the birth canal.
Different laboring positions can also alleviate discomfort and pressure during contractions.
Pelvic examination check 7-8-9
Soft Tissues
Cervix:
The cervix is a cylindrical structure that connects the uterus to the vagina.
It serves as a passage for menstrual blood to exit the uterus and for sperm to enter during sexual intercourse.
During pregnancy, the cervix remains closed and acts as a protective barrier until it softens, thins, and dilates to allow for the passage of the baby during childbirth.
Pelvic Floor Muscles:
The pelvic floor muscles are a group of muscles located at the base of the pelvis.
They provide support to various pelvic organs, including the bladder, uterus (in women), and rectum.
These muscles are important for maintaining urinary and fecal continence and play a role in sexual function.
Weak pelvic floor muscles can lead to conditions such as urinary incontinence or pelvic organ prolapse (انزلاق).
Vagina:
The vagina is a muscular tube-like structure that connects the external genitalia to the uterus.
It serves several functions, including the passage for menstrual blood and as the birth canal during childbirth.
The vaginal walls contain mucous membranes and are lined with numerous blood vessels and nerve endings.
The vagina also plays a role in sexual intercourse, as it provides lubrication and is involved in sexual pleasure.
GTPAL
G = total number of times pregnant (Gravida)
T = number of term infants born
P = number of preterm infants born
A = number of abortions
L = number of children currently living
G (Gravida): This represents the total number of times a woman has been pregnant, regardless of the outcome (whether the pregnancies resulted in a live birth, stillbirth, or abortion). It counts all pregnancies.
T (Term births): This represents the number of pregnancies that resulted in full-term births. A full-term pregnancy typically lasts about 40 weeks.
P (Preterm births): This represents the number of pregnancies that resulted in preterm births, meaning the baby was born before reaching full term (usually before 37 weeks of gestation).
A (Abortions or miscarriages): This represents the number of pregnancies that ended in abortion or miscarriage before the fetus reached viability (usually before 20 weeks of gestation).
L (Living children): This represents the number of children a woman has who are currently alive.
Naegele’s rule is the standard formula for determining an EDD based on the LMP: First day of LMP – 3 months + 7 days.
Start with the First Day of the Last Menstrual Period (LMP): Begin by noting the date of the first day of the woman’s LMP.
Subtract 3 Months: Subtract three months from the LMP date. This accounts for the typical duration of three menstrual cycles.
Add 7 Days: After subtracting three months, add seven days to the result. This compensates for the extra week that is often added when calculating pregnancy weeks.
How does gestational age affect pregnancy outcomes
Full-Term Pregnancy (39-40 Weeks):
A full-term pregnancy is generally considered to be between 39 and 40 weeks of gestation.
Babies born at full term are more likely to have fully developed organs, including the lungs, which are crucial for breathing.
They are typically of a healthier weight and have a lower risk of complications such as respiratory distress syndrome and jaundice.
Full-term babies tend to have a better ability to regulate their body temperature and feed effectively.
Preterm Birth (Before 37 Weeks):
Preterm birth refers to babies born before 37 weeks of gestation.
Preterm infants may face a higher risk of health issues, including respiratory problems, feeding difficulties, and infections, due to the immaturity of their organs.
They may require specialized care in a neonatal intensive care unit (NICU) to support their development and health.
Late Preterm Birth (34-36 Weeks):
Babies born late preterm (between 34 and 36 weeks) are at a higher risk of certain complications compared to full-term babies.
While they are more developed than extremely preterm infants, they may still face challenges with breathing, temperature regulation, and feeding.
Extremely Preterm Birth (Before 28 Weeks):
Extremely preterm infants, born before 28 weeks, are at the highest risk for complications.
They may experience severe respiratory distress syndrome, brain and neurological problems, and long-term developmental issues.
Care in a highly specialized NICU is essential for their survival and well-being.
Post-Term Pregnancy (After 42 Weeks):
Babies born after 42 weeks of gestation are considered post-term.
Post-term infants may have an increased risk of complications, including meconium aspiration, a condition where the baby inhales their first stool, and macrosomia (being too large), which can lead to difficulties during childbirth.
Pregnancy wheel
Estimating Due Date (EDD): The primary purpose of a pregnancy wheel is to estimate the due date of the pregnancy. The healthcare provider aligns the wheel with the known LMP date or the approximate gestational age determined through ultrasound. Once aligned, the wheel provides the estimated due date.
Trimesters and Weeks: Pregnancy wheels are often divided into trimesters, with the corresponding weeks of gestation labeled on the wheel. This allows healthcare providers to quickly determine which trimester a pregnant person is in and how far along they are in weeks.
Fetal Development: Some pregnancy wheels provide information about fetal development at different stages of pregnancy. They may include illustrations or descriptions of the baby’s growth and development for educational purposes.
Prenatal Care Schedule: Pregnancy wheels can indicate important prenatal care milestones and appointments. They may note when certain prenatal tests or screenings should be conducted.
Fetal Heart Rate: Some pregnancy wheels also include a reference for the expected fetal heart rate at various stages of pregnancy.
Conception Date: By using the LMP or the EDD, the wheel can help approximate the likely conception date, which may be of interest to the pregnant individual or healthcare provider.
Quick Reference: Pregnancy wheels are handy tools for healthcare providers to quickly calculate and communicate important information to their patients during prenatal visits.
How is labor defined?
Contractions:
Contractions are rhythmic, tightening and relaxing movements of the uterine muscles. These contractions are essential for the progression of labor.
During the early stages of labor, contractions may be irregular and not very intense. However, as labor progresses, contractions become more regular and increase in intensity.
Dilation:
Dilation refers to the opening of the cervix. It is measured in centimeters (cm) and expressed as the cervical dilation, such as “3 cm dilated.”
The cervix needs to dilate to 10 cm to allow for the passage of the baby’s head through the birth canal.
Cervical dilation is one of the primary ways healthcare providers monitor the progress of labor.
Effacement:
Effacement, also known as cervical effacement or thinning, refers to the shortening and thinning of the cervix.
Effacement is expressed as a percentage. For example, “50% effaced” means that the cervix is halfway thinned out.
As labor progresses, the cervix continues to efface, allowing the baby to descend further into the birth canal.
SIGNS PRECEDING LABOR (Signs of beginning of labor)
Lightening: Also known as “dropping” or “engagement,” this occurs when the baby’s head descends into the pelvis. This can relieve pressure on the diaphragm, making it easier to breathe, but it may also increase pressure on the bladder, causing more frequent urination.
Bloody Show: This refers to the discharge of a small amount of blood-tinged mucus from the cervix. It can be a sign that the cervix is starting to dilate and efface (thin out) in preparation for labor.
Ruptured Membranes (PROM): When the amniotic sac surrounding the baby ruptures, it is often referred to as “water breaking.” This can lead to a gush of fluid or a slow leak. If this happens, it’s important to contact your healthcare provider as it can be a sign that labor is imminent.
Braxton-Hicks Contractions: These are practice contractions that can occur throughout pregnancy. However, as labor approaches, Braxton-Hicks contractions may become more frequent and intense. True labor contractions are typically regular, become stronger over time, and are associated with other signs of labor.
Burst of Energy: Some women experience a burst of energy shortly before labor begins. This burst of energy is often referred to as the “nesting instinct” and can lead to a sudden urge to clean, organize, or prepare for the baby’s arrival.
False Labor (Braxton-Hicks Contractions): False labor contractions can mimic the sensations of true labor but do not lead to cervical dilation or effacement. These contractions tend to be irregular and don’t progress in intensity or frequency.
Increased Vaginal Discharge: As labor approaches, some women may notice an increase in vaginal discharge. This discharge may be clear or slightly tinged with blood.
TRUE VS. FALSE LABOR (True)
It seems you are describing some characteristics of true labor in contrast to false labor. True labor refers to the actual process of childbirth, while false labor, often referred to as Braxton Hicks contractions, are practice contractions that do not result in cervical changes or labor progression. Here are the characteristics of true labor:
True Labor:
Uterine Contractions (UC’s): Contractions in true labor are regular, meaning they occur at consistent intervals. They also become progressively stronger, longer in duration, closer together, and more intense if the laboring person walks or changes positions.
Cervix Changes: In true labor, the cervix undergoes changes. It effaces (thins out) and dilates (opens) to allow the baby to pass through the birth canal. The cervix is typically in an anterior (forward-facing) position during true labor.
Engagement of the Fetus: The baby’s head or presenting part usually becomes engaged in the mother’s pelvis during true labor. This means the baby descends into the pelvis in preparation for birth.
Sensation Location: Contractions in true labor are typically felt in the lower back and may radiate to the front of the abdomen. This is often described as a tightening or cramping sensation.
TRUE VS. FALSE LABOR (False)
False Labor (Braxton-Hicks Contractions):
Contractions (UC’s):
Contractions may be irregular in their timing.
They can be temporarily relieved or stopped by changes in position or activity.
Contractions are typically less intense and do not become progressively stronger.
Cervix:
There is typically no significant change in cervical effacement (thinning) and dilation (opening) during false labor.
Fetus:
The baby is usually not engaged (descended into the pelvis) during false labor. The baby may still be in a higher position in the uterus.
Sensation Location:
Contractions may be felt in the back or the abdomen above the navel (umbilicus) rather than originating from the lower uterus or pelvis.
True Labor:
Contractions (UC’s):
Contractions are regular in their timing, becoming progressively stronger and occurring at regular intervals.
Contractions are usually not relieved by changes in position or activity.
Cervix:
During true labor, there is a progressive change in cervical effacement and dilation as the cervix prepares for birth.
Fetus:
In true labor, the baby’s head typically engages and descends into the pelvis as labor progresses.
Sensation Location:
Contractions in true labor are typically felt in the lower abdomen and pelvis and radiate to the lower back.
Dilatation and Effacement
Slide videos : 23 - 25
Electronic fetal monitoring
Learn at the end
Slide 26 Electronic fetal monitoring must check then learn how to read graphs 26-
Powers:
Primary Powers: These are the primary uterine contractions that drive the progression of labor. They are involuntary contractions of the uterine muscles that serve to:
Dilate (open) the cervix by applying pressure on it.
Efface (thin) the cervix by pulling its edges upward.
Push the baby down through the birth canal.
Signal the beginning of labor when they become regular, frequent, and progressively stronger.
These contractions are coordinated by hormonal signals and are the main forces responsible for moving the baby through the birth canal.
Secondary Powers: Secondary powers are additional forces that can aid in the process of childbirth. They are usually under the control of the pregnant person and include:
Abdominal Muscles: Voluntary contractions of the abdominal muscles can help push the baby further down the birth canal during the second stage of labor (the pushing stage). These voluntary bearing-down efforts work in conjunction with the involuntary contractions of the uterus.
Voluntary Bearing Down: The pregnant individual can actively participate by pushing or bearing down during the second stage of labor when they feel the urge to do so. This is often guided by the healthcare provider and can aid in the descent and birth of the baby.
Presentation is the part of the body that enters the pelvic inlet first
You’ve provided an accurate description of different fetal presentations during childbirth:
Cephalic (Vertex) Presentation: This is the most common and favorable presentation where the baby’s head is the first to enter the maternal pelvis. It is typically the ideal presentation for a vaginal delivery because the baby’s head is well-suited to pass through the birth canal.
Breech Presentation: In a breech presentation, the baby’s buttocks or feet enter the pelvis first, instead of the head. Breech presentations are less common than cephalic presentations and may require additional considerations and sometimes a cesarean section for a safe delivery.
Shoulder Presentation: In a shoulder presentation, one of the baby’s shoulders enters the pelvis first. This is a rare presentation and can be associated with complications, as the shoulders are wider than the head and may become stuck during delivery.
The “presenting part” refers to the specific part of the fetal body that is felt first during a medical examination. It helps healthcare providers determine the baby’s presentation and plan for the safest mode of delivery. The presenting part can be the head, buttocks, or shoulder, depending on the baby’s position within the uterus.
FETAL LIE IS THE RELATION OF THE SPINE OF THE FETUS TO THE SPINE OF THE MOTHER.
- LONGITUDINAL/VERTICAL
- TRANSVERSE
- OBLIQUE
Longitudinal (Vertical) Lie: In a longitudinal lie, the fetal spine is parallel or aligned with the maternal spine. This means that the baby is positioned vertically within the uterus, with the head or buttocks being the presenting part. Longitudinal lie is the most common and favorable lie for vaginal delivery.
Transverse Lie: In a transverse lie, the fetal spine is perpendicular to the maternal spine. The baby is positioned horizontally across the mother’s abdomen. This is an unfavorable lie for vaginal delivery, and a cesarean section is typically required in such cases.
Oblique Lie: In an oblique lie, the fetal spine is positioned at an angle between longitudinal and transverse. The baby is neither fully vertical nor horizontal but positioned diagonally within the uterus. Oblique lies are less common and may necessitate interventions to facilitate a safe delivery, depending on the specific positioning.
ATTITUDE IS THE RELATIONSHIP OF FETAL PARTS
TO ITSELF.
GENERAL FLEXION
EXTENSION
Attitude, in the context of obstetrics and fetal positioning, refers to the relationship of the fetal body parts to one another. Specifically, it describes the flexion or extension of various fetal body parts in relation to each other. The two primary attitudes used to describe fetal positioning are:
General Flexion: In general flexion, the fetal body is flexed or curved inward. This is the normal and most common fetal attitude for childbirth. In this position, the baby’s head is flexed, with the chin tucked into the chest, the arms and legs flexed, and the back rounded. This flexed posture allows the smallest diameter of the baby’s head to present during birth, making it easier to navigate through the birth canal.
Extension: In extension, the fetal body is extended or straightened. This is not the typical attitude for childbirth and can present challenges during labor and delivery. In this position, the baby’s head may be extended backward, away from the chest, which can make the head and body present in a less favorable manner for passage through the birth canal.
POSITION IS THE RELATIONSHIP OF THE PRESENTING PART TO THE FOUR QUADRANTS OF THE MOTHER’S PELVIS.
Side of the Pelvis (R or L):
R stands for Right side of the mother’s pelvis.
L stands for Left side of the mother’s pelvis.
Presenting Part (0, M, Sa, A):
0 (Zero) is used when the presenting part is not engaged in the pelvis or when the presenting part is high and not specifically identified.
M stands for Mentum (chin), which refers to the fetal head in a vertex (head-down) presentation.
Sa stands for Sacrum, which indicates that the fetal sacrum is presenting (common in breech presentations).
A stands for Acromion, which refers to the fetal shoulder.
Relation to Anterior or Posterior (A or P or T):
A stands for Anterior, indicating that the presenting part is facing towards the front of the mother’s pelvis.
P stands for Posterior, indicating that the presenting part is facing towards the back of the mother’s pelvis.
T stands for Transverse, suggesting that the presenting part is in a horizontal position, neither fully anterior nor fully posterior.
MECHANISMS OF LABOR: 7 CARDINAL MOVEMENTS THAT OCCUR IN A VERTEX (best) PRESENTATION
watch maybe video 47
Engagement: In this initial movement, the baby’s head enters the pelvic inlet (the upper opening of the maternal pelvis). The widest part of the baby’s head (the biparietal diameter) aligns with the widest part of the maternal pelvis to engage in the optimal position for birth.
Descent: The baby’s head continues to move downward through the birth canal, progressing further into the pelvis. Descent is facilitated by uterine contractions and the pressure applied by the contracting uterus.
Flexion: As the baby descends, the head naturally flexes forward, bringing the chin closer to the chest. This allows the smallest part of the head (the suboccipitobregmatic diameter) to pass through the pelvis more easily.
Internal Rotation: As the baby’s head reaches the lower part of the pelvis (the mid-pelvis), it rotates to align with the curve of the birth canal. This movement helps the head navigate the narrow passages of the maternal pelvis.
Crowning: Crowning occurs when the widest part of the baby’s head (the head’s largest diameter, or the occipitofrontal diameter) passes through the vaginal opening. It’s a visible sign that the baby is about to be born, and the head is often seen at the vaginal opening.
Extension: After crowning, the baby’s head extends to allow the baby’s face to pass under the mother’s pubic bone. This movement helps the head exit the birth canal.
External Rotation: Once the baby’s head has passed through the vaginal opening, it typically rotates back to its original position to facilitate the delivery of the baby’s shoulders and body. This external rotation allows the baby to emerge fully from the birth canal.
Leopold’s maneuvers
Leopold’s maneuvers are a series of four systematic and standardized abdominal palpation techniques used by healthcare providers, particularly obstetricians and midwives, to assess the position, presentation, and engagement of the fetus in the uterus during pregnancy. These maneuvers are typically performed during the second and third trimesters of pregnancy to gather important information about the baby’s placement in the womb. Leopold’s maneuvers can help determine the baby’s position and presentation, which is valuable for prenatal care and childbirth preparation. Here are the four maneuvers:
First Maneuver: This involves palpation of the upper abdomen to determine the location of the baby’s head. The healthcare provider gently places their hands on the pregnant person’s abdomen and tries to identify the firm, rounded head, which is typically found in the fundal area.
Second Maneuver: In the second maneuver, the healthcare provider assesses the sides of the abdomen to determine the baby’s back. They use their hands to feel for a smooth, firm surface, which indicates the baby’s back. This maneuver helps determine whether the baby is positioned with their back facing the mother’s front (anterior position) or her back (posterior position).
Third Maneuver: The third maneuver involves palpation of the lower abdomen to locate the baby’s buttocks or feet. The healthcare provider uses their hands to feel for a softer, irregular shape in the lower part of the abdomen. Identifying the location of the baby’s buttocks or feet helps determine whether the baby is in a head-first (vertex) or breech presentation.
Fourth Maneuver: In the fourth maneuver, the healthcare provider assesses the descent of the baby’s head into the pelvis (engagement). They place their hands on the sides of the mother’s lower abdomen and gently push upward toward the pelvic inlet to check if the baby’s head is engaged in the pelvis or still free-floating.
Leopold’s maneuvers are a valuable clinical tool for healthcare providers to gain insights into the fetal position and presentation,
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