Letter: Ovulation.
D000328:Adult; D001706:Biopsy; D004717:Endometrium / Q000166:cytology; D005260:Female; D006801:Humans; D007246:Infertility; D007247:Infertility, Female / Q000175:diagnosis; D008183:Luteal Phase; D008297:Male; D008598:Menstruation; D010061:Ovulation Detection; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*
D011374:Progesterone