Flashcards in 12 - Obs - Multiple Pregnancy - Complications Deck (7):
Virtually all obstetric risks exaggerated in multiple pregnancy
Gestational ? and ? more freq. ? common, due to incr ? volume and more ? and ? acid needed
Twins have greater ? (6x) and long term ? risk (5x). ? fare even worse, 18x incr risk of handicap. Major RFs are ?
deliv, ???? and ?
All multiple pregnancies have these 4 possible complications
miscarriage, preterm labour, congen abnorms, co-twin death
Miscarriage: One of a twin or more of a higher order can ?, ? trimester death. Late miscarriage also more common, esp in ?? twins as a compx of ????.
Preterm labour: ? cause of perinatal mort – 40% of twin and 80% triplet pregs deliver before ?wks. 10% twins deliver before ?wks. ????
much more common
Congenital Abnormalities: Not more common per baby in ? but are in ?.
Co-twin death: If one of ??
twins dies, other usually ?, though risk of preterm ? is incr.
? of first twin in 20% -> ? ?. Fetal ? in labour more common, 2nd twin also has incr risk of death (?x) after 1st delivered due to ?, cord ? , tetanic uterine ? or ?, and may present ?. ??? more common – 10%.
Complications of Monochorionicity
Largely due to ? blood supply in ? placenta.
IUGR: more common In MC twins. Particular problem is where the ? artery waveform of the ? twin is v ?. May result in sf aa-aa ?. Sudden in utero ? in up to 20%.