Singleton pregnancies are as affected by ovarian hyperstimulation syndrome as twin pregnancies.
The incidence of ovarian hyperstimulation syndrome (OHSS) did not decrease during the 5 years in which single-embryo transfer was introduced; OHSS is not more frequent in twin than in singleton pregnancies.
De Neubourg
Diane
D
Centre for Reproductive Medicine, Middelheim Hospital, Antwerp, Belgium. diane.de.neubourg@skynet.be
Mangelschots
Kathelijne
K
Van Royen
Eric
E
Vercruyssen
Miet
M
Gerris
Jan
J
D004624:Embryo Transfer; D005260:Female; D006801:Humans; D015994:Incidence; D016471:Ovarian Hyperstimulation Syndrome / Q000453:epidemiology* / Q000517:prevention & control*; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins