Revision Notes for USMLE and Medical Exams
Before Exam Review Notes on Gyne and Obs

These are the oneliners for the Entrance Exam Preparation Before Exam Review Notes on Gyne and Obs .
- Ovulation — 14 day before menstruation
★ Implantation —– at 6 day post fertilization
★ Embryo —- less than 10 weeks
★ -Fetus —- more than 10 weeks
★ EDD —- + 9month + 7day or (-3month +7 days)
★ -Viability —– 20 weeks
★ -fetal HR —- 7-8 week
★ Quicking —- Primigravida 18 weeks,
multigravida 14-16 week
★ -Reccurent abortion —– 3 or more than 3
time
★ -Length of cervix 3-5 cm less than 2 cm leads
to cervical incompitance
★ -Cervical cercalage done at 12-14 week and
remove stitch at 36-38 week
★ -Placenta previa diagnosis after 28 weeks
★ -Anti give during 72 h after delivery
★ -Normal B-HCG doubling every 48 h
★ -Gestational sac at 6-7 weeks
★ – If NO fetal HR is less than 20 week this missed
abortion, more than 20 week this
IUFD
★ -Normal delivery of uterine contraction at least
2/10 mint last 30 sec
★ Dose of MgSo4 — 2g / h, antidote is calcium
gluconate dose 1g
★ Pre-eclampsia (HTN more 140/90, proteinuria
more 3g / h, edema) after 20 weeks
★ -Progesterone secret from corpus letum till 12
week after that secret from placenta
★ -Pregnancy test positive in blood after 5-9
day, in urine 14 days
★ – Always become abdominal organ at 12week
-become at umbilical level at 20 week
immediate medical level immediate after
delivery
-return to pelvic after 6 weeks post delivery
★ -Neonatal —- 0-28 day
★ -Colstrum milk 2 day postpartum, mature milk
3-6 day postpartum
★ -Perperer 6 week postpartum
★ -uterus weight 50 g
★ -PPH —– 500cc in vaginal delivery, 1000cc in
CS
★ -PHH —– 1ry PHH is less than 24 h, 2ry more
than 24 h
★ -Weight of the placenta — 500g or 1/6 fetal
weight
★ -screening for gestational DM at 24-28 week
★ -oligohydromnias AFI less than 5,
polyhydromnias AFI more than 20-25
★ -Macrosomia fetal weight more than 4.5 kg
★ -aminotic fluid maximum 800 cc at 28 weeks
★ – Nuchal translucency done at 1st trimester
★ -trip ticket at 2nd trimester
★ -amniocentesis done after 15 weeks
★ Chorionic villous sampling (CVS) done 9-1
