Obs

Question 1

Placental Abruption

Answer 1

Premature separation of placenta from uterus

RF: smoker, prev. C/S, twins, high parity

Painful bleeding
Tense, tender uterus
Feral distress
2nd trimester +

Question 2

Placenta praevia

Answer 2

Implantation of placenta over cervical os

Can be complete, partial, or marginal

RF: large placenta (twins), fibroids, multiparity, prev. C/S

Painless vaginal bleeding

Question 3

Vasa praevia

Answer 3

Foetal vessels crossing/close to inner cervical os

Bleeding immediately after ROM
Fetal distress (higher risk of foetal exsanguination)

Question 4

βHCG/pregnancy tests

Answer 4

OTC pregnancy test is positive 9 days post-conception

Remains positive 5 days after miscarriage or fetal death