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. 2015 Jul 25;13:76. doi: 10.1186/s12958-015-0076-2

Fig. 1.

Fig. 1

Double ovarian stimulation protocol: both follicular and luteal phase ovarian stimulation in the same cycle. GnRHa, gonadotropin releasing hormone agonist; hCG, human chorionic gonadotropin; FSH, follicle-stimulating hormone; LH, luteinizing hormone