Family Health Exam 2 Flashcards
Preembryonic stage of fetal development
fertilization through the 2nd week
Embryonic stage of fetal development
3rd - 8th week of fetal development
Fetal stage of fetal development
9th week through birth
1st trimester
conception through 12 weeks
2nd trimester
13 weeks thru 27 weeks
3rd trimester
28 weeks thru 40 weeks
Presumptive signs of pregnancy
fatigue
amenorrhea
frequent urination
nausea or vomiting
breast changes (tenderness / fullness)
quickening (fetal mov’t felt by mother)
Probable signs of pregnancy
Positive pregnancy test (hCG in blood or urine)
Uterine enlargement
Goodwell’s sign (cervix softens)
Chadwick’s sign (cervix and vagina turn bluish or violet)
Hegar’s sign (lower uterine segment softens)
Braxton Hicks contractions
Positive signs of pregnancy
ultrasound of embryo or fetus
fetal heart beat audible
fetal movement palpated by practitioner
FSH
follicle stimulating hormone matures the Graafian follicle, which produces estrogen
LH
Luteinizing hormone promotes the release of a mature ovum
Estrogen
Produced by the ovaries and later by the placenta, maintains uterine lining, increases uterine profusion, and promotes growth of breast tissue
Progesterone
Produced by the corpus luteum and then placenta, maintains pregnancy, inhibits uterine contractions, prepares breasts for lactation.
Human chorionic gonadotropin (hCG)
Produced by the trophoblast, confirms pregnancy, stimulates production of estrogen and progesterone
Relaxin
Produced by the corpus luteum, it lengthens the cervix, inhibits uterune contractions, softens cartilage, joins and ligaments
Prolactin
Maturation of breast tissue and stimulates lactation
Human Placental Lactogen (HPL)
Elevates glucose levels for fetal growth, insulin antagonist
Prostaglandins
Control inflammatory processes so decreased levels may contribute to hypertension. Play a role in induction of labor.
Gravid
the state of being pregnant
Gravidity
number of times a woman has been pregnant, irrespective of the outcome
nulligravida
a woman who has never been pregnant
primigravida
a woman pregnant for the first time
multigravida
woman who has been pregnant 2+ times
Para
the number of births at 20+ weeks, not the number of fetuses
Multipara
a woman who has carried 2+ pregnancies over 20 weeks, regardless of the outcome
Formula to estimate date of birth (EDB)
Determine the first day of the last menstrual period (LMP)
Then subtract 3 months
Then add 7 days
Early term (gestational age)
37 0/7 through 38 6/7
Full term (gestational age)
39 0/7 through 40 6/7
Late term (gestational age)
41 0/7 through 41 6/7
Post term
42 0/7 and beyond
G: Gravida
The number of pregnancies; current pregnancy to be included in the count
T: Term
The number of term gestations delivered between 37 0/7 and 41 6/7
P: Preterm
the number of preterm pregnancies ending >20 weeks and <38 weeks
A: Abortion
The number of pregnancies ending before 20 weeks
L: Living
The number of her biological children currently living
How much weight gain for an underweight (BMI <19) pregnant mom?
28-40 lbs
How much weight gain for an normal weight (BMI 19-25) pregnant mom?
25-35 lbs
How much weight gain for an overweight (BMI 25-30) pregnant mom?
15-25 lbs
How much weight gain for an obese (BMI >30) pregnant mom?
11-20 lbs
Nutrition in pregnancy
Increase of 300 calories / day is recommended in pregnancy.
Prenatal vitamins are often prescribed.
Folic acid supplements are recommended to prevent neural tube defects.
McDonald’s Rule
fundal height measured in cm from the top of the pubic bone to the top of the uterus. The number of cm matches the weeks of gestation
Fundal height at 12 weeks
at the symphysis pubis
fundal height at 16 weeks
Halfway between the symphysis pubis and umbilicus
fundal height at 20 weeks
at the umbilicus
fundal height at 21-38
fundal height in cm matches the weeks of gestation
Leopold’s maneuver
determines fetal position, presentation, lie, and attitude after 24 weeks gestation.
Leopold’s first maneuver
Determines the fetal position
Place both hands at the top of the uterine fundus.
The fetal head is round and hard.
The fetal buttocks is soft and irregular
Leopold’s 2nd maneuver
Determines the fetal positive.
Place both hands on the side of the fundus to feel where the back is.
The back is smooth and hard.
The limbs feel irregular with movement.
Leopold’s 3rd maneuver
Confirms the presenting part.
Place one hand above the symphysis, grasp and confirm the presenting part. Note engagement of the presenting part.
Leopold’s 4th maneuver
Determine the attitude of fetal head.
facing the mother’s feet, place both hands on the lower abdomen. Note the fetal brow or occiput.
Blood type and Rh factor
Blood type screen (A, B, AB, or O)
Rh factor (negative or positive)
Rubella screen
Determines if the mother is non-immune.
Immunization is recommended after birth.
Hep B Screening
If the mother is Hep B surface antigen positive, the newborn will receive Hep B vaccine AND the Hep B IgG within 12 hours of birth.
HIV
If positive, requires counseling and treatment to prevent transmission to the fetus.
Maternal Serum Alpha Feto Protein
Between 15-20 weeks
High levels may indicate neural tube defects or multiples.
Low levels may indicate fetal trisomy syndromes.
GDM screen
Between 24-28 weeks
It’s a glucose tolerance test
Hemoglobin and Hematocrit
Detects iron deficiency anemia
GBS
Vaginal and rectal swabs are taken at 35-37 weeks gestation.
If positive, mother are given antibiotics during labor to avoid transmission to the fetus.
Ultrasound
1st trimester: confirms pregnancy & cardiac activity
2nd trimester: verifies dates, evaluates fetal growth and health, location of the placenta and assesses the amount of amniotic fluid.
3rd trimester: evaluates fetal activity, growth of the fetus and verifies placental position.
Chorionic Villi Sampling
CVS takes a small sample of cells from the placenta if the healthcare provider considers you to have certain risk factors such as already having a child with a known genetic condition, maternal age >35, previous screening indicates high risk for a kid with a genetic condition, family history of a genetic condition.
Amniocentesis
1st trimester: detects genetic disorders
2nd trimester: detects blood sensitization
3rd trimester: assessment of lung maturity
A diagnostic test that removes and tests a small sample of cells from the amniotic fluid in order to determine whether or not the baby has a genetic or chromosomal condition such as Down’s, Edwards’, or Patau’s.
It is usually conducted between 15-20 weeks of pregnancy.
Triple or Quad screen
Between 15-20 weeks
Detects genetic disorders (includes MAFP, hCG, unconjugated estriol, inhibin A)
Nuchal Translucency (NT)
US assessment of the thickness of the fetal nuchal fold.
Abnormalities potentially indicate chromosomal abnormalities.