A combination of follicular phase stimulation and luteal phase stimulation in the same cycle, can be a valuable choice in poor responder patients with reduced ovarian reserve, in order to achieve extreme the number of oocytes in a single menstrual cycle. In the present study, the results of two different Double stimulation cycles including shanghai protocol and Duostim protocol in patients with reduced ovarian reserve, compared with each other to help select a more appropriate treatment for this group of patients. The number of retrieved oocytes and the number of obtained embryos and clinical pregnancy from each protocol will be compared as the primary and secondary outcome.
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Number of MII oocytes
Timeframe: Immediately after oocyte puncture