Fig. 1From: Luteal phase ovarian stimulation following oocyte retrieval: is it helpful for poor responders?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 hormoneBack to article page