Risk factors for placenta accreta spectrum in pregnancies conceived after frozen –thawed embryo transfer in a hormone replacement cycle
Placenta accreta spectrum (PAS) is defined as abnormal adhesion of the placenta to the uterine wall after delivery due to direct placental trophoblast invasion into the myometrium [1]. PAS is a serious and life-threatening complication in pregnancy that involves massive postpartum haemorrhage and often requires caesarean hysterectomy [2 –4]. Retained products of conception following delivery at ≥24 weeks of gestation occur mostly as a consequence of focal placenta accreta [5,6]. In developed countries, the prevalence of PAS has increased by approximately 10-fold over the last four decades [1,7].
Source: European Journal of Obstetrics, Gynecology, and Reproductive Biology - Category: OBGYN Authors: Tomoyuki Fujita, Toshiyuki Yoshizato, Hiroshi Mitao, Takuya Shimomura, Takeshi Kuramoto, Hitoshi Obara, Hiroshi Ide, Fumitoshi Koga, Kayoko Kojima, Mari Nomiyama, Mayumi Fukagawa, Yumi Nagata, Atsushi Tanaka, Hiroyuki Yuki, Takafumi Utsunomiya, Hidehiko M Tags: Full length article Source Type: research