Yulian Zhao

OBJECTIVES: To analyze the association between primary infertility and infertility type with the age of natural menopause. METHODS: This is a retrospective cohort study reviewing a subset of women from the Mayo Primary Infertility Cohort (…

OBJECTIVE: To evaluate the association of primary infertility with subsequent bilateral oophorectomy and hysterectomy, using a population-based cohort of women with primary infertility and age-matched women in a referent group. METHODS: Th…

ObjectiveTo determine whether pregnancy outcomes are poor or futile when an intended day 5 transfer is converted to a cleavage-stage transfer because of poor embryo development or a lower number of embryos.DesignRetrospective cohort study.S…

INTRODUCTION: Heterotopic pregnancy is a rare complication in which both extra-uterine and intra-uterine pregnancies occur simultaneously. Factors associated with the occurrence of a heterotopic pregnancy are still unclear. The purpose of o…

IntroductionThis case study presents an unusual finding of filarial infection within follicular fluid obtained during an in vitro fertilization (IVF) oocyte retrieval procedure.CaseA 41 year-old G4P1030 immigrant from western Africa underwe…

ObjectiveTo investigate the effects of pentoxifylline, on vascular endothelial growth factor (VEGF)-C and flk-1 expression in the rat endometriosis model.DesignProspective, randomized, placebo-controlled study.SettingAcademic institution.An…

unaffected by gonadal hormones, so blood samples may be collected at any time during the menstrual cycle. AMH has been shown to be associated with oocyte yield in IVF, and some studies suggest that AMH is related to treatment outcome (for r…