OB-GYN 2025 UPDATED QUESTIONS
WITH ANSWERS NEW
Why do pregnant women get Anemia? - CORRECT ANSWER>>>Due to the dilution effect:
RBC rises 30%, but plasma volume rises 50%
What are the degrees of Vaginal Lacerations? - CORRECT ANSWER>>>1st Degree: Skin
2nd Degree: Muscle
3rd Degree: Anus
4th Degree: Rectum
What is Vernix? - CORRECT ANSWER>>>Cheesy baby skin. (Protects the baby's skin from
the outside world and helps with passage through the birth canal)
What is Meconium? - CORRECT ANSWER>>>First stool of baby
What is Lochia? - CORRECT ANSWER>>>Endometrial slough. (Normal discharge and uterus
after birth)
What is normal blood loss during a Vaginal Delivery? - CORRECT ANSWER>>>500ml
What is normal blood loss during a C-Section? - CORRECT ANSWER>>>1 Liter
How do you treat A1 Gestational DM? - CORRECT ANSWER>>>Diet/exercise Insulin
What are Identical Twins? - CORRECT ANSWER>>>Eggs split into perfect halves
"Monochorionic"
What are Fraternal Twins? - CORRECT ANSWER>>>Multiple eggs fertilized by different
sperm
What is Ovarian Hyperstimulation Syndrome? - CORRECT ANSWER>>>Weight gain and
enlarged ovaries after clomiphene use for infertility
Who makes the Trophoblast? - CORRECT ANSWER>>>Baby
Who makes the Cytotrophoblast? - CORRECT ANSWER>>>Mom Production of GnRH, CRH,
TRH, and Inhibin
Who makes the Syncytiotrophoblast? - CORRECT ANSWER>>>Mom and baby production of
HCG and HPL
When does Implantation occur? - CORRECT ANSWER>>>1 week after fertilization
When is Beta HCG found in Urine? - CORRECT ANSWER>>>10-14 days after fertilization
1
, When is Beta HCG found in Blood? - CORRECT ANSWER>>>8-10 days after fertilization
What makes Progesterone in >10-12 weeks gestation? - CORRECT ANSWER>>>Placenta
What is the function of Beta-HCG? - CORRECT ANSWER>>>Maintains Corpus Luteum,
sensitizes TSH receptors to make body thyroid more active (to raise BMR), Basal Metabolic rate
What makes Beta-HCG? - CORRECT ANSWER>>>Placenta
How fast should Beta-HCG rise? - CORRECT ANSWER>>>Should double every 2 days until
10 weeks, stops when placenta is fully formed
What is the function of AFP? - CORRECT ANSWER>>>Regulates fetal intravascular volume,
tells me about wall defects like neural tube and omphalocele and gastroschisis
What is the function of HPL? - CORRECT ANSWER>>>Blocks insulin receptors so baby can
get glucose
What is the function of Inhibin? - CORRECT ANSWER>>>Inhibits FSH so there is no
menstruation
What is the function of Cortisol in Pregnancy? - CORRECT ANSWER>>>Prevents immune
rejection of baby and for lung maturation
What is the function of Oxytocin? - CORRECT ANSWER>>>Milk and baby ejection
What is the thyroid hormone levels during pregnancy? - CORRECT ANSWER>>>Increased
TBG - leads to increased total T4 (Bound and free)
When can you first detect fetal heart tones? - CORRECT ANSWER>>>Week 20
When can you tell the sex of the baby by Ultrasound? - CORRECT ANSWER>>>Week 16
What does an AFI <5 indicate? - CORRECT ANSWER>>>Oligohydramnios (Cord
compression)
What does an AFI >20 indicate? - CORRECT ANSWER>>>Polyhydramnios (DM)
How fast should fundal height change? - CORRECT ANSWER>>>Uterus grows 1cm/week
What is the Pool Test? - CORRECT ANSWER>>>Amniotic fluid in the vaginamembranes have
ruptured.
What is Ferning? - CORRECT ANSWER>>>Estrogen crystallizes on slide. (Amniotic fluid)
membranes have ruptured
2
WITH ANSWERS NEW
Why do pregnant women get Anemia? - CORRECT ANSWER>>>Due to the dilution effect:
RBC rises 30%, but plasma volume rises 50%
What are the degrees of Vaginal Lacerations? - CORRECT ANSWER>>>1st Degree: Skin
2nd Degree: Muscle
3rd Degree: Anus
4th Degree: Rectum
What is Vernix? - CORRECT ANSWER>>>Cheesy baby skin. (Protects the baby's skin from
the outside world and helps with passage through the birth canal)
What is Meconium? - CORRECT ANSWER>>>First stool of baby
What is Lochia? - CORRECT ANSWER>>>Endometrial slough. (Normal discharge and uterus
after birth)
What is normal blood loss during a Vaginal Delivery? - CORRECT ANSWER>>>500ml
What is normal blood loss during a C-Section? - CORRECT ANSWER>>>1 Liter
How do you treat A1 Gestational DM? - CORRECT ANSWER>>>Diet/exercise Insulin
What are Identical Twins? - CORRECT ANSWER>>>Eggs split into perfect halves
"Monochorionic"
What are Fraternal Twins? - CORRECT ANSWER>>>Multiple eggs fertilized by different
sperm
What is Ovarian Hyperstimulation Syndrome? - CORRECT ANSWER>>>Weight gain and
enlarged ovaries after clomiphene use for infertility
Who makes the Trophoblast? - CORRECT ANSWER>>>Baby
Who makes the Cytotrophoblast? - CORRECT ANSWER>>>Mom Production of GnRH, CRH,
TRH, and Inhibin
Who makes the Syncytiotrophoblast? - CORRECT ANSWER>>>Mom and baby production of
HCG and HPL
When does Implantation occur? - CORRECT ANSWER>>>1 week after fertilization
When is Beta HCG found in Urine? - CORRECT ANSWER>>>10-14 days after fertilization
1
, When is Beta HCG found in Blood? - CORRECT ANSWER>>>8-10 days after fertilization
What makes Progesterone in >10-12 weeks gestation? - CORRECT ANSWER>>>Placenta
What is the function of Beta-HCG? - CORRECT ANSWER>>>Maintains Corpus Luteum,
sensitizes TSH receptors to make body thyroid more active (to raise BMR), Basal Metabolic rate
What makes Beta-HCG? - CORRECT ANSWER>>>Placenta
How fast should Beta-HCG rise? - CORRECT ANSWER>>>Should double every 2 days until
10 weeks, stops when placenta is fully formed
What is the function of AFP? - CORRECT ANSWER>>>Regulates fetal intravascular volume,
tells me about wall defects like neural tube and omphalocele and gastroschisis
What is the function of HPL? - CORRECT ANSWER>>>Blocks insulin receptors so baby can
get glucose
What is the function of Inhibin? - CORRECT ANSWER>>>Inhibits FSH so there is no
menstruation
What is the function of Cortisol in Pregnancy? - CORRECT ANSWER>>>Prevents immune
rejection of baby and for lung maturation
What is the function of Oxytocin? - CORRECT ANSWER>>>Milk and baby ejection
What is the thyroid hormone levels during pregnancy? - CORRECT ANSWER>>>Increased
TBG - leads to increased total T4 (Bound and free)
When can you first detect fetal heart tones? - CORRECT ANSWER>>>Week 20
When can you tell the sex of the baby by Ultrasound? - CORRECT ANSWER>>>Week 16
What does an AFI <5 indicate? - CORRECT ANSWER>>>Oligohydramnios (Cord
compression)
What does an AFI >20 indicate? - CORRECT ANSWER>>>Polyhydramnios (DM)
How fast should fundal height change? - CORRECT ANSWER>>>Uterus grows 1cm/week
What is the Pool Test? - CORRECT ANSWER>>>Amniotic fluid in the vaginamembranes have
ruptured.
What is Ferning? - CORRECT ANSWER>>>Estrogen crystallizes on slide. (Amniotic fluid)
membranes have ruptured
2
