The dual ovarian stimulation protocol, also known as DualStim, allows for the retrieval of a greater number of oocytes in a single cycle. It involves performing one ovarian aspiration during the follicular phase and another during the luteal phase. The first oocytes retrieved are vitrified until the next ovarian stimulation cycle.
Read the full article on: Low ovarian reserve? Causes and possibilities of getting pregnant ( 54).
By Carolina González Arboleya M. D. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Sergio Rogel Cayetano M.D. (gynecologist) and Michelle Lorraine Embleton B.Sc. Ph.D. (biochemist).
Last Update: 08/24/2026
