Alexandru, Polexa Progestins versus GnRH analogues for pituitary suppression during ovarian stimulation for assisted reproductive technology: a systematic review and meta-analysis. [electronic resource] - Reproductive biomedicine online Jun 2020 - 894-903 p. digital Publication Type: Journal Article; Meta-Analysis; Systematic Review ISSN: 1472-6491 Standard No.: 10.1016/j.rbmo.2020.01.027 doi Subjects--Topical Terms: AdultFemaleFertility Agents, Female--administration & dosageFertilization in Vitro--methodsGonadotropin-Releasing Hormone--agonistsHormone Antagonists--administration & dosageHumansOvulation Induction--methodsPregnancyProgestins--administration & dosage