The primary purpose of this study is to collect data on the incidence of congenital malformations in infants of women with an ongoing pregnancy after controlled ovarian stimulation with recombinant follicle stimulating hormone /ganirelix followed by in vitro fertilization (IVF) or intra cytoplasmatic sperm injection (ICSI), and to compare this incidence with that of a group of women who used a long protocol with a gonadotropin releasing hormone agonist as historical controls.
Study Type
OBSERVATIONAL
Enrollment
2,066
Daily 0.25 mg ganirelix administered to prevent premature LH surges during COS in order to achieve a pregnancy
Long protocol of GnRH agonist administered to prevent premature LH surges during COS in order to achieve a pregnancy
To collect data on the incidence of congenital malformations in infants of women with an ongoing pregnancy after controlled ovarian hyperstimulation.
Time frame: In both cohorts a follow-up pediatric evaluation was scheduled within 6 months post-partum
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