Jorge E Chavarro

OBJECTIVE: To evaluate the quality of remote semen collection and a smartphone-based semen analysis system under real-world conditions compared with a laboratory assessment among participants who were unselected for fertility status. DESIG…

OBJECTIVE: Disordered eating behaviors may impact the gynecologic health of adolescents through effects on menstrual cycle function and body size; however, few studies have evaluated these associations. This study aimed to prospectively inv…

INTRODUCTION: There is increasing evidence that women who have experienced infertility are at greater risk for several chronic conditions. However, the mechanisms underlying these associations are not clear. Pathophysiology may be illuminat…

Abstract Study question Is history of laparoscopically-confirmed endometriosis associated with worse cognitive function in middle-aged women? Summary answer History of laparoscopically-confirmed endometriosis is associated with lower cognit…

OBJECTIVE: To prospectively assess the effect of endometriosis and uterine fibroids on the long term risk of premature mortality (younger than 70 years). DESIGN: Prospective cohort study SETTING: The Nurses' Health Study II, United States (…

OBJECTIVES: To better understand whether history of infertility is associated with anti-Müllerian hormone (AMH) levels later in life, outside of reproduction. METHODS: Among 1,758 premenopausal women in the Nurses' Health Study II with mea…

Identifying genetic determinants of reproductive success may highlight mechanisms underlying fertility and identify alleles under present-day selection. Using data in 785,604 individuals of European ancestry, we identified 43 genomic loci a…

Background Certain symptoms associated with infertility are associated with cardiovascular disease, including menstrual cycle irregularity, early menopause, and obesity; however, few studies have investigated the association between inferti…

BACKGROUND: Infertility has been associated with common chronic non-communicable diseases. However, the association of infertility with long-term mortality is unclear. METHODS: We followed 101,777 women aged 25-42 years at enrollment betwe…

OBJECTIVE: To examine the association between the intake of fruits and vegetables with high- vs. low-pesticide residue burden and diagnosis of laparoscopically confirmed endometriosis. The etiology of endometriosis is not well understood, b…

OBJECTIVE: To investigate the relationship between endometriosis and adverse pregnancy outcomes. METHODS: Women between ages 25 and 42 years in 1989 (n=116,429) reported detailed information on pregnancies and reproductive health at baselin…

STUDY QUESTION: Is there an association between intake of fruits and vegetables and risk of laparoscopically confirmed endometriosis? SUMMARY ANSWER: Higher intake of fruits, particularly citrus fruits, is associated with a lower risk of en…

STUDY QUESTION: Is there a temporal relationship between endometriosis and infertility? SUMMARY ANSWER: Endometriosis is associated with a higher risk of subsequent infertility, but only among women age <35 years. WHAT IS KNOWN ALREADY: End…

OBJECTIVES: To review the Nurses' Health Study's (NHS's) contribution to identifying risk factors and long-term health consequences of reproductive events. METHODS: We performed a narrative review of the NHS I, NHS II, NHS3, and Growing Up …