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. 1995 Apr;59(2):201-4.
doi: 10.1016/0028-2243(95)02038-t.

Follow-up of 30 pregnancies after embryo cryopreservation

I Heijnsbroek  1 , F M Helmerhorst, A F van den Berg-Helder, K J van der Zwan, N Naaktgeboren, M J Keirse
Affiliations

Follow-up of 30 pregnancies after embryo cryopreservation

I Heijnsbroek et al. Eur J Obstet Gynecol Reprod Biol. 1995 Apr.

Abstract

Objective: In an observational follow-up study, the pregnancy outcome of the first 30 women who conceived after transfer of cryopreserved embryos was evaluated.

Study design: The main outcome measures were duration and complications of pregnancy, mode of delivery, complications during and after childbirth, birthweight, Apgar score, and congenital anomalies.

Results: Twenty-six pregnancies ended in birth of one (n = 22) or more (n = 4) infants with a cesarean section rate of 23%. Of the singleton pregnancies 77% were uncomplicated, but there was a high incidence of breech presentation (14%). Infant birthweight tended to be above average with 45% of singletons weighing more than the 75th centile of weight for gestation. There were no major congenital deformations.

Conclusion: The results of our embryo cryopreservation program are encouraging, but sustained follow-up of such pregnancies and infants is needed.

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