ObGyn Flashcards
How is the first day of the menstrual cycle defined?
The first day of menstrual bleeding is the first day of the cycle
Rope like breast mass should make you think of what diagnosis?
Fibrocystic breast mass
What is the formula for calculating estimated date of confinement or due date?
First day of last menstrual period + 7 days - 3 months
What is the more popular term for Stein-Leventhal syndrome.
Polycystic ovarian syndrome
What is the most common cause of postpartum hemorrhage?
Uterine atony
Define procidentia.
Uterine prolapse beyond the the introitus
What is the most common infection following a C-section?
Metritis
Which reproductive cancer carries the highest rates of death in women?
Ovarian cancer
Interference with work or school is part of which diagnosis premenstrual syndrome or premenstrual dysphoric disorder?
Premenstrual dysphoric disorder
What medication(s) are used to treat a postpartum endometritis?
Clindamycin and gentamicin together
What medication can be used to control bleeding due to uterine atony?
Oxytocin (pitocin)
What are three causes for a postpartum hemorrhage?
Uterine atony, genital laceration, retained placenta
What is the term for when the placenta has implanted directly over the cervical os?
Placenta previa
What is the hallmark physical exam finding for placenta previa?
Trick questions - NEVER do a physical exam on someone with presumed placenta previa
List three risk factors for placental abruption.
HTN, smoking, AMA, cocaine use, PROM
Which is associated with painful third trimester bleeding placental abruption or placenta previa?
Placental abruption
Who is the more likely to get pre-eclampsia a nulliparous woman or a multiparous woman?
Nulliparity is a risk factor for pre-eclampsia
What is the classic triad of pre-eclampsia?
HTN, edema and proteinuria
List two medications commonly used for hypertension in pregnancy.
Methyldopa and labetalol
List three problems that gestational diabetes increases the risk for in pregnant mom and baby.
Preeclampsia, macrosomia (traumatic birth), slowing in fetal lung development
At what point during pregnancy is Rhogam given if it is needed?
28 weeks
What Rh combination for mom and dad might cause the mother to create antiboides against the babies red blood cells?
Mom Rh negative, Dad Rh positive
What are three ways you can check for ruptured membranes?
Ferning pattern on a slide, visualize leakage from the cervix, pooling in the vagina
A woman presents to the ED concerned she is in preterm labor. What treatment should you begin before even getting any imaging or lab results?
Give IV fluids
What are two tocolytic medications you should be aware of?
Magnesium sulfate and calcium channel blockers
What medication is used to increase surfactant levels and help with lung maturity if you are worried about preterm labor?
Betamethasone
Give the time frame for preterm labor.
20-37 weeks
A snowstorm appearance on ultrasound should make you think of what diagnosis?
Hydatidiform mole
Grape like vesicles or a sack of grapes on ultrasound should make you think of what diagnosis?
Hydatidiform mole
What is the medical treatment for a small ectopic?
Methotrexate
List 3 risk factors for an ectopic pregnancy.
Previous ectopic, scarred tubes (hx of PID or salpingitis), IUD
What is the most common site of an ectopic pregnancy?
Within a fallopian tube
Early on in pregnancy serial beta HCG should double over what time period?
every 48-72 hours
How many days after conception is a serum beta HCG positive?
8
Define missed abortion.
No vaginal bleeding, cervix is closed, products of conception are still inside
Define complete abortion.
Vaginal bleeding, cervix open, products of conception have passed
Define Incomplete abortion.
Vaginal bleeding, cervix is open, products of conception partially passed
Define Inevitable abortion.
Vaginal bleeding, cervix is open, products of conception are still inside
Define threatened abortion.
Vaginal bleeding, closed cervix, products of conception are still inside
What is the normal range of fetal heart rate?
120-160
What are the five components of the biophysical profile as part of antepartum testing?
A non stress test, fetal breathing, two gross body movements, fetal tone, amniotic fluid index
As part of the antepartum testing a baby has a positive stress test. What does that mean?
They have had two heart rate acceleratins in a 20 minute period of 15 beats above baseline for at least 15 seconds. This is good
What are two medications used to induce labor?
Cervidil (prostoglandin gel applied to the cervix) which encourages cervical rippening and oxytocin which encourages uterine contractions
The baby was delivered several minutes ago. Suddenly there is a increase in blood flow from the vagina and the cord noticeably lengthens. What is the most likely cause of these signs?
Placental separation
Define the third stage of labor.
Delivery of baby to delivery of placenta
Define the second stage of labor.
Fully dialated to delivery
Define the first stage of labor.
Onset to full dilation
What organism causes us to warn pregnant patients to stay away from deli meats and soft cheeses?
Listeria
About how much weight should a woman gain during pregnancy?
20-35 lbs
Why is folic acid given as a prenatal vitamin?
Low folic acid can lead to neural tube defects
At how many weeks of pregnancy can an amniocentesis be done?
15-20 weeks
At how many weeks of pregnancy can chorionic villus sampling bed done?
10-13 weeks