Kolibianakis, E M Are endogenous LH levels during ovarian stimulation for IVF using GnRH analogues associated with the probability of ongoing pregnancy? A systematic review. [electronic resource] - Human reproduction update - 3-12 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1355-4786 Standard No.: 10.1093/humupd/dmi030 doi Subjects--Topical Terms: FemaleFertilization in Vitro--methodsGonadotropin-Releasing Hormone--analogs & derivativesHumansLuteinizing Hormone--bloodMaleOvulation Induction--methodsPregnancyPregnancy Rate