title: Twin pregnancy following embryo transfer on day 7 of the luteal phase in an oocyte donation programme.
abstract: We report a case of a 42 year old female patient with hypergonadotrophic hypogonadism requiring oocyte donation. Spontaneous ovulation occurred during a hormonal replacement treatment cycle and three embryos were transferred 7 days after documented ovulation. This resulted in a viable twin pregnancy. The twins were genetically distinct from the mother. To the best of our knowledge this is the first reported case of a successful transfer of embryos on day 7 of the luteal phase leading to a viable pregnancy in an oocyte donation programme.
authors.affiliation: Assisted Conception Unit, University College London Hospitals. UK.
authors.forename: A C
authors.initials: AC
authors.lastname: Schulte
authors.forename: P
authors.initials: P
authors.lastname: Serhal
mesh_terms: D000328:Adult; D004624:Embryo Transfer; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D008183:Luteal Phase; D018587:Oocyte Donation; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins