Complications and adverse outcomes in pregnancy and childbirth among women who conceived by assisted reproductive technologies: a nationwide birth cohort study of Japan environment and children's study

• Main Authors: Chie Nagata (Author), Limin Yang (Author), Kiwako Yamamoto-Hanada (Author), Hidetoshi Mezawa (Author), Tadayuki Ayabe (Author), Kazue Ishizuka (Author), Mizuho Konishi (Author), Yukihiro Ohya (Author), Hirohisa Saito (Author), Haruhiko Sago (Author), Japan Environment & Children's Study Group (Author)
• Format: Book
• Published: BMC, 2019-02-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Although pregnancies conceived by assisted reproductive technology (ART) have a higher risk of maternal/perinatal complications, the overall risk of adverse outcomes necessitating advanced obstetric care has not been closely examined. The present study aimed to assess and compare...