us also plays an increasingly important role in monitoring ovulation induction and alternative methods of fertilization and has improved pregnancy rates by distinguishing between the presence of one or more mature follicles as opposed to a cohort of immature follicles , suggesting the possibility of multiple ovulation with the risks of hyperstimulation or poor pregnancy outcome from multiple gestation , indicating optimum timing of human chorionic gonadotropin administration , allowing detection and confirmation of normal follicular rupture and ovulation , indicating optimum timing of oocyte retrieval in programs of in vitro fertilization with embryo transfer ( ivf-et ) or insemination programs , and assessing pathologic pelvic conditions and ovarian accessibility in ivf-et programs .
C0015914
fertilization
C0032961
pregnancy