Pregnancy Loss Flashcards
1st Trimester dates
1st day of LMP - 13 weeks and 6 days
2nd Trimester dates
14 weeks - 27 weeks and 6 days
3rd Trimester dates
28 weeks - 42 weeks
What is the Estimated Date of Confinement (EDC)?
Due date
= 40 weeks after the FDLMP (first day of LMP)
Abortion dates
< 20 weeks
Preterm dates
20 weeks - 36 weeks and 6 days
Fullterm dates
37 weeks - 42 weeks
Postdates
> 42 weeks
When is hCG first detected?
6-8 days after ovulation
What are the levels for a (-) and (+) hCG test? What should the levels be around the expected time of menstruation?
(-) = < 5
(+) = > 25
– Around time of expected menstruation = 100
hCG ____ every ____ days
Doubles every 2 days
What is the Discriminatory level of hCG?
1500-2000 = should see a gestational sac
What is the Discriminatory level of hCG?
1500-2000 = should see a gestational sac
If there is an abnormal rise in hCG that is less than 53% in 2 days, what does that indicate?
Ectopic or Abnormal IUP
At what level of hCG should you see the fetal pole?
5200
When does the risk of SAB significantly decrease?
8 weeks with normal ultrasound and cardiac activity present
What are the most common causes for SABs?
Chromosomal abnormalities
- Turner’s (45XO)
- Trisomy 16
What is a Threatened Abortion/
Vaginal bleeding with a closed cervix
Vaginal bleeding with a closed cervix
Threatened Abortion
What is an Inevitable Abortion?
Vaginal bleeding with a partially dilated cervix
Vaginal bleeding with a partially dilated cervix
Inevitable Abortion
What is an Incomplete Abortion?
Passage of some of the products of conception (fetal tissue)
Passage of some of the products of conception with a dilated cervix and vaginal bleeding?
Incomplete Abortion
What is the treatment for an Incomplete Abortion?
Suction D&C to remove the rest of the products of conception
