Pregnancy outcome in spontaneous twins versus twins who were conceived through in vitro fertilization

Deliveries and children born after in-vitro fertilisation in Sweden 1982–95: a retrospective cohort study

T. Bergh, A Ericson, Nygren Kg et al. · The Lancet · 1999 · 669 citations

Veterinary Medicine, Maternal Health, Obstetrics +9

Perinatal outcome of pregnancies after assisted reproduction: A case-control study

Marc Dhont, Paul De Sutter, Gunther Ruyssinck et al. · American Journal of Obstetrics and Gynecology · 1999 · 275 citations

Medicine, Gynecology, Obstetrics +13

Obstetric outcome of in vitro fertilization pregnancies compared with normally conceived pregnancies

Seang Lin Tan, Pat Doyle, Stuart Campbell et al. · American Journal of Obstetrics and Gynecology · 1992 · 266 citations

Veterinary Medicine, Gynecology, Obstetrics +14

Impact of Advanced Maternal Age on Pregnancy Outcome

Muhieddine Seoud, Anwar H. Nassar, Ihab M. Usta et al. · American Journal of Perinatology · 2002 · 192 citations

Public Health, Maternal Health, Obstetrics +13

Assessment of separate contributions to perinatal mortality of infertility history and treatment: a case-control analysis

Elizabeth S. Draper, Jennifer J. Kurinczuk, Keith R. Abrams et al. · The Lancet · 1999 · 168 citations

Medicine, Maternal Health, Obstetrics +16