USMLE Step 2 CK Lecture Notes 2019: Obstetrics/Gynecology (Kaplan Test Prep)

Mono–Mono–Mono  Twins

Complications for all twin pregnancies include nutritional anemias (iron and
folate), preeclampsia, preterm labor (50%), malpresentation (50%), cesarean
delivery (50%), and postpartum hemorrhage.

Table I-8-1. Complications  of  Twin    Pregnancies

ANTEpartum

Anemia  ↑   3x  (iron   &   folate)

Preeclampsia    ↑   3x

Gestational diabetes    ↑   2x

Thromboembolism ↑   4x

INTRApartum

Preterm labor   (50%)

Malpresentation (50%)

Cesarean    delivery    (50%)

POSTpartum Hemorrhage   ↑   5x

Twin    pregnancy

Gender  always  same

One placenta    and one sac