multiple gestation
incidence: 1% of all births
- twins in 1:85; triplets in 1:85x85; etc
- uterus large for dates
- may have elevated hCG, hPL, and aFP
at risk for IUGR:
- monochorionic-monoamniotic >
- monochorionic-diamniotic >
- dichorionic-diamniotic
findings:
- 2 placentas indicate dichorionic-diamniotic
- 1 placenta indicates monochorionic pregnancy or
dichorionic pregnancy with fused placenta
- separating membranes confirms diamniotic pregnancy
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© 2002, C.E. Kahn, Jr.
2002-04-18