conception and pregnancy 11-12Q Flashcards
What are some male fertility issues?
- low sperm count / irregularities / poor motility
- chronic conditions- diabetes, SCI, etc..
- STIs and other infections
- trauma to testes
- autoimmune response- antibodies that affect sperm
- hormones (pituitary imbalances and/or thyroid problems)
- toxins, tabacco, drugs, alcohol
- increased temperature
- hernia repair
- undescended testes
- mumps after puberty
What are female fertility issues?
- irregular ovulation
- obstruction or malformation of the reproductive tract (STI, etc)
- endometriosis
- toxins, tobacco, drugs, alcohol
- chronic conditions- diabetes, SCI, etc..
- hormones (pituitary imbalance and/or thyroid issues)
- infections
- polycystic ovarian syndrome
- body weight, eating disorders, excessive exercise
- abnormal PAP smears
- multiple pregnancy losses
- age
What are the 4 stages of menstruation?
- proliferation
- ovulatory
- secretory (luteal)
- menstrual
When does the menstrual cycle end?
with the period
When does the proliferation phase begin?
with end of period
How long does the proliferation phase last?
9-10 days
What develops during the proliferation phase?
the endometrium (this is called proliferation)
What is another name for the proliferation phase? Why?
follicular phase bc ovarian follicles mature
What hormone levels rise in proliferation phase?
estrogen
What develops during the proliferation phase?
the ovum
What do the ovaries prepare for in the proliferation phase?
ovulation
What happens do the graafin follicle in the ovulatory phase?
it ruptures and releases a mature ovum
What happens to the ripening follicle that is not the graafin follicle during the ovulatory phase?
it degenerates and is reabsorbed
How are fraternal twins created?
when 2 ovum are released in the ovulatory phase
When- during the ovulatory phase- is ovulation set in motion?
when estrogen levels reach critical levels
What happens to the basal body temperature at ovulation? On the day following?
dips slightly
rises by 0.5 C
How long is the secretory (luteal) phase?
~15 days
What does the graafin follicle become during the secretory (luteal) phase?
the corpus luteum
When do estrogen and progesterone levels peak? What does this cause?
around the 20/21 day
causes the glands in the endometrium to secrete nutrients that would sustain a fertilized ovum
What happens to the corpus luteum if fertilization did not occur?
it decomposes and hormone levels fall
What happens to endometrium during the secretory (luteal) phase?
secretion and blood supply increase due to the follicle’s manufacture of progesterone
how long does the menstrual phase last?
~ 5 days
what happens in the menstrual phase?
uterine lining (endometrium) is sloughed off into flow, caused by drop in estrogen and progesterone levels
What happens during the first 1-6 days of the fertility cycle?
menstruation
Is it safe to have sex during the first 1-6 days of the fertility cycle?
relatively
Is it safe to have sex during the days 7-9 of the fertility cycle?
may remain viable until ovulation
Is it safe to have sex during the day 9 of the fertility cycle?
last relatively safe day
Is it safe to have sex during the days 10-13 of the fertility cycle?
no
Is it safe to have sex during the day 14 of the fertility cycle?
no this is ovulation day
Is it safe to have sex during the days 15-16 of the fertility cycle?
no
Is it safe to have sex during the days 17-18 of the fertility cycle?
ovum may remain viable
Is it safe to have sex during the day 18 of the fertility cycle?
first safe day before next menstrual period
Is it safe to have sex during the days 19-28 of the fertility cycle?
relatively safe
What is cervical mucous like days before ovulation?
clear, slippery and stretchy
What hormone do pregnancy tests detect?
Human chorionic gonadotrophin
When can hCG be detected in the urine?
~3 weeks into pregnancy
When can a blood test detect hCG?
as early as the 8th day
How many days does pregnancy last?
280 days, calculated from first day of last period
What is the normal gestation length?
266 days or 38 weeks
How is the expected due date calculated?
from the date of fertilization which is 2 weeks after beginning of last period
Fill in the blanks: babies are usually born ~ ___ days before or ____ due date
babies are usually born ~10 days before or after due date
What is the germinal stage of prenatal development?
conception to implantation
How long does it take the zygote to reach the uterus?
3-4 days
How long does it take the zygote to implant once it reaches the uterus?
3-4 days
What is a blastocyst?
a fluid filled ball of cells
When is the embryonic stage?
implantation to 8th week
What happens in the embryonic stage?
major organ systems being to differentiate
When is the fetal stage?
9th week to birth
What happens by the 8th or 9th week of pregnancy?
The baby starts to respond to the outside world
When is the first trimester?
conception to 12 weeks
What is forming during the first trimester?
brain, heart, lungs, eyes, ears, arms and legs
What happens if the mom ingests harmful substances during the first trimester?
can affect normal growth and development
When does the heart start beating?
Day 21
When is the second trimester?
13 weeks to 28 weeks
What is the first period of the second trimester?
week 12 to 16
What happens in the first period of the second trimester?
period of rapid growth for the fetus (18 cm or 3 inches)
What is beginning to show in the first period of the second trimester?
sexual differentiation
What is developing very rapidly during the first period of the second trimester?
the brain!!!
When are the fingers, toes and nails formed?
during the first period of the second trimester
When are the eyes almost fully developed but lids are still fused? Why are they fused?
during the first period of the second trimester
to protect the nerve fibers
when can you hear the heart beat of the doppler?
during the first period of the second trimester?
When is the second period of the second trimester?
16 weeks
When can the fetus start to feel pain and sucking its thumb?
during the second period of the second trimester
When does the fetus start to make crying motions?
during the second period of the second trimester
when does the fetus have a strong heart beat?
during the second period of the second trimester?
How long is the fetus and how much does it weigh in the second period of the second trimester?
height: 15 cm (6.5 inches)
weight: 100 g (4 oz)
What are 3 things that happen during the second period of the second trimester?
- moves about
- swallows amniotic fluid
- has periods of sleep and wakefulness
When is the third period of the second trimester?
24 weeks
How big is the fetus during the 24th week?
height: 28-35 cm (11-14 inches)
weight: 500 grams
Describe the skin and eyelids in the 24th week?
skin is wrinkled and red
eyelids are separated
What starts to occur in the 24th week?
Can feel baby kicking
Will the baby survive if born at 24 weeks?
Maybe
What is the vernix? What week do are notes say the baby has it?
a heavy protective creamy coating
24 weeks
What is the fourth period of the second trimester?
28 weeks
How big is the fetus in the 28th week?
height: 38 cm (15 inches)
weight: 1100 grams (2.5 lbs)
Describe the skin during the 28th week?
very wrinkled not fat yet
Describe the lungs during the 28th week?
not fully grown but do make breathing movements
Describe the organs and bones during the 28th week?
organs are beginning to mature
bones are fully grown but still soft
Describe the eyelids during the 28th week?
finally opened
What is the survival if born during the 28th week?
better
How does the mom feel during the 28th week?
less nausea and fatigue
increased energy
increased well being
Why is there less pressure on the bladder in the 28th week?
The uterus lifts out of the pelvis
When does the mask of pregnancy occur?
12 weeks
When do the breasts get darker?
12 weeks
When does the linea nigra pigmentation occur?
12 weeks
Describe the vaginal discharge during pregnancy?
increased
Describe the breast fluid at 16+ weeks?
clear, yellow colostrum
When is the third trimester?
29 weeks to birth
What organs grow last?
lungs
During the third trimester what grows the most?
the baby’s weight
Fill in the blanks: in the _____ trimester, major organs are _____ and _____, minerals and fatty acids are being stored
in the third trimester, major organs are developed and vitamins, minerals and fatty acids are being stored
Describe the skin during the third trimester?
less wrinkled and red
what position does the fetus move to during the third trimester?
birthing
How much can the fetus gain a week during the last month of pregnancy?
1/2 a pound
Describe the S&S the mom may have during the 34th week?
awkwardness, depression, heart burn, hemorrhoids, pelvic pain, difficulty sleeping, stuffy nose
Describe the S&S the mom may have during the 37th week?
pressure on bladder, increased pelvic pain, lightening (baby descends into pelvis)
What do they check in the first prenatal visit?
- hx
- physical
- blood work
- lab work
What do they check in other prenatal visits?
- weight
- BP
- growth of uterus
- baby’s heart beat
- baby’s position
- urine (glucose and protein)
- education
What is the routine prenatal test at 11-16 weeks gestation?
genetic screening
What is the routine prenatal test at 18 weeks gestation?
ultrasound
What is the routine prenatal test at 24-28 weeks gestation?
repeat blood tests, diabetes screen
What is the routine prenatal test at 28-30 weeks gestation?
Rh immune globulin to Rh negative women
What is the routine prenatal test at 36 weeks gestation?
group b strep
What is the routine prenatal test at 41 weeks gestation?
non stress test and biophysical test
Genetic screening: when is the maternal serum screen?
16-20 weeks
What does the maternal serum screen screen for?
neural tube defects and down syndrome/other major chromosomal disorders
Genetic screening: when is the chronic villous sampling?
11-13 weeks
Genetic screening: when is the amniocentesis
15-20 weeks
What does good nutrition of the mom decrease the risk of?
- difficult labor and delivery
- low birthweight
- infant mortality
- physical and mental disabilities
What does folic acid do?
promotes development of brain stem, spinal cord and RBC
promotes development of baby’s nervous system
When is the need for folic acid the greatest?
First month of pregnancy
What is the recommended amount of folic acid for regular moms? At risk?
Regular moms: 0.4-1.0 mg
At risk: 4-5 mg
What are some sources of folic acid?
dark green leafy veggies, whole grain breads/cereals, oranges, cantaloupe, avocado, sweet potatoes, nuts, dried beans and peas
What does an iron deficiency cause?
fatigue and cardiovascular affects
What is the recommended daily dose of iron?
27 mg a day
What should you take your iron with?
Foods high in Vitamin C
What inhibits the absorption of iron?
caffeine
What should you not take your iron with?
calcium
What is the function of iron?
builds baby’s and mom’s RBC and iron stores to prevent anemia
Sources of iron?
dried fruit, meat, dried beans, green leafy veggies, bread, cereal, egg yolk
What is calcium important for?
the development of bones and proper muscle function
What is the recommended daily intake of calcium?
1000-1300 mg a day
What is the function of calcium?
strengths baby’s and mom’s teeth and bones
What are some sources of calcium?
milk, yogurt, cheese, ice cream, sardines, salmon, tofu, oysters, scallops, broccoli
What does vitamin D increase the absorption of?
calcium
What is vitamin D required for?
both bone development and maintaining bone strength in the mother
What is the recommended daily dose of vitamin D?
400 IU
What is the function of vitamin D?
increased calcium absorption and is essential for the body to use calcium
What are some sources of vitamin D?
milk, fortified soy milk, direct sunlight, margarine, egg yolks
What are essential fatty acids needed for?
proper fetal and visual development
maintenance of pregnancy
What are sources of dietary fatty acids?
fish, canola oil, flax oil, nuts and seeds
What are the 3 main functions of water?
- carries nutrients to the cells
- carries wastes products away
- keeps you cool
What is the recommended amount of water?
48-64 ounces straight or as other fluids
What is the .max daily amount of caffeine?
300 mg a day
Why worry about caffeine levels?
- some appears in breast milk
- crosses placenta
- may stimulate body or fetus
What does an increased consumption of caffeine put the fetus/baby at risk for?
premature delivery
What artificial sweeteners are safe in moderation?
aspartame (nutrasweet, equal)
sucralose (splenda)
acesulfame potassium (sunett)
What artificial sweeteners are not safe?
saccharin
cyclamine
How many extra calories should the mom eat? First trimester: Second trimester: Third trimester: Breast feeding:
First trimester: 0-100
Second trimester: 340
Third trimester: 450
Breast feeding: 500
What level of alcohol is safe for a pregnant women to consume?
NONE
What does alcohol consumption cause?
impacts physical and brain growth
What does regular drinking cause?
increased miscarriage risk
What 2 things can drinking cause in the child?
- FASD
2. low birth weight
What does smoking cause in the fetus/pregnancy?
- premature rupture of membranes
- placenta previa
- placenta rupture
- preterm birth
- birth complications
- hemorrhage
What does smoking cause in infants?
- SIDS
- respiratory problems
- ear infection
- hospitalization
What are the signs of labor?
- lightening or engagement: relieving pressure
- effacement: ripening of cervix
- dilation: opening of cervix
- bloody show: loss of mucos plug
- nesting: spurt of energy
- rupture of membranes: water breaks
- contractions: labor pains begin
What are the 3 pharmacological pain control methods used in labor?
- nitrous oxide
- narcotics
- epidural
What are the 3 parts the first stage of labor?
- latent
- active
- transition
What is the width of the cervix in the latent stage of labor? the transition stage?
0-3 cm
8-10 cm
What happens in the second stage of labor?
pushing, descent of baby, episiotomy and birth of baby
What is an episiotomy?
usually performed when the baby’s shoulders are too wide to emerge without tearing or if the baby is in distress
What are the rates of episiotomy? What did they used to be?
they went from 1/2 of all births to 1/3
What happens in the third stage of labor?
- placenta is expelled
- uterus begins to contact
- 5-60 mins
What are the pros of breastfeeding?
provides optimal nutrition, immunological and emotional benefits for child’s growth and development
How common was breastfeeding in 2001?
81.5%
How common was breastfeeding in 2005?
87%