[HTML][HTML] Blastocyst-stage embryo transfer in patients who failed to conceive in three or more day 2–3 embryo transfer cycles: a prospective, randomized study
E Levitas, E Lunenfeld, I Har-Vardi, S Albotiano… - Fertility and sterility, 2004 - Elsevier
OBJECTIVE: To compare blastocyst-stage embryo transfers (ETs) with day 2–3 ETs in
patients who failed to conceive in three or more day 2–3 IVF/ET cycles. DESIGN:
Prospective, randomized. SETTING: Fertility unit in a university medical center. PATIENT (S):
Fifty-four patients with an adequate ovarian response underwent oocyte retrievals. The
patients were prospectively and randomly divided into blastocyst-stage and day 2–3 ET
groups. INTERVENTION (S): Ovarian down-regulation was obtained using GnRH agonist …
patients who failed to conceive in three or more day 2–3 IVF/ET cycles. DESIGN:
Prospective, randomized. SETTING: Fertility unit in a university medical center. PATIENT (S):
Fifty-four patients with an adequate ovarian response underwent oocyte retrievals. The
patients were prospectively and randomly divided into blastocyst-stage and day 2–3 ET
groups. INTERVENTION (S): Ovarian down-regulation was obtained using GnRH agonist …
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