Prolongation of the follicular phase in in vitro fertilization results in a lower ongoing pregnancy rate in cycles stimulated with recombinant follicle-stimulating hormone and gonadotropin-releasing hormone antagonists☆
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☆ This work is supported by grants from the Fund for Scientific Research, Flanders.
PII: S0015-0282(04)00604-1
doi:10.1016/j.fertnstert.2004.01.027
© 2004 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

