During the ovarian cycle, hormone levels undergo a series of changes. The FSH hormone increases with the maturation of the follicles, while ovulation occurs because of a high level of LH (luteinizing hormone).
By Neus Ferrando Gilabert B.Sc., M.Sc. (embryologist), Sergio Rogel Cayetano M.D. (gynecologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Romina Packan (invitra staff).
Last Update: 01/30/2015