PURPOSE: The aim of this study was to determine if zona pellucida thickness variation (ZPTV) is associated with implantation and if this relationship changes with use of assisted hatching (AH). METHODS: Day 3 embryos from single or double …
STUDY QUESTION: Is there an association between air pollution exposures and incident infertility? SUMMARY ANSWER: Increased exposure to air pollution is associated with an increased incidence of infertility. WHAT IS KNOWN ALREADY: Exposur…
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: E…
Endometriosis is a chronic gynecologic disease affecting approximately ten percent of women in the United States. Endometriosis lesions depend on estrogen for growth and maintenance and it is hypothesized that women with endometriosis have …
PURPOSE: Given the altered hormonal and inflammatory environment of women with endometriosis, several studies have suggested a positive association between endometriosis and breast cancer, although findings have been mixed. This study inves…
PURPOSE: Many practices are moving away from cleavage-stage transfer in favor of blastocyst transfer. The purpose of this study is to evaluate how the overall live birth rate for fresh IVF cycles may increase by optimizing the day of transf…
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…
PURPOSE: Endometriosis and mammographic density have been hypothesized to be influenced by sex steroid hormonal exposures in adolescence and early adulthood. We investigated the association between endometriosis and mammographic density, a …
OBJECTIVE: To investigate the association between laparoscopically confirmed endometriosis and the risk of breast cancer. Previous research on endometriosis and breast cancer has reported mixed results. METHODS: Our prospective cohort stud…
OBJECTIVE: To investigate characteristics of receiving a medical evaluation for infertility among infertile women. DESIGN: Prospective cohort. SETTING: Academic institution. PATIENT(S): A total of 7,422 women who reported incident infert…
BACKGROUND: Despite an estimated prevalence of 10% in women, the etiology of endometriosis remains poorly understood. Over recent decades, endometriosis has been associated with risk of several chronic diseases, such as cancer, autoimmune d…
OBJECTIVE: To evaluate the association between infertility and fertility treatments on subsequent risk of hypertension. DESIGN: Cohort study. SETTING: Not applicable. PATIENT(S): A total of 116,430 female nurses, followed from 1993 to Ju…
OBJECTIVE: To evaluate the use of fertility treatments among a large cohort of women in the United States. DESIGN: Cohort study. SETTING: Nurses' Health Study II. PATIENT(S): Ten thousand thirty-six women who reported having used fertili…