Due to recent advances in vitro fertilization and freezing techniques, oocyte donation pregnancy has become a boon to several infertile women, who are unable to conceive because of ovarian failures. Although stringent screening is implemented in such pregnancies, there are cases in which complications like gestational hypertension and preeclampsia have been demonstrated. In this regard, a recent meta-analysis evaluated whether the oocyte donation pregnancies, compared with natural conception or other assisted reproductive technologies, are associated with increased risk of gestational hypertension and preeclampsia.
Several comparative studies of pregnancies with preeclampsia or gestational hypertension were included as one of the measured outcomes. According to the reviewers, Of the 523 studies, 19 comparative studies met the predefined inclusion and exclusion criteria and were…