Johnstone EB
No ORCID on file
· 14 papers in corpus
other
2026
BACKGROUND: Male preconception health remains a critically under-addressed area of family planning. While research suggests air pollution may harm semen quality, downstream impacts on pregnancy, particularly for more vulnerable infertility …
other
2026
OBJECTIVE: To examine associations of traditional healthy and fertility-focused preconception dietary patterns in female and male partners, individually and combined, with clinical fertility outcomes. DESIGN: Prospective cohort study. SUB…
observational
2025
CONTEXT: Autoimmune disease is common in women with primary ovarian insufficiency (POI), and the genetic etiology of autoimmune disease suggests that it could be hereditary in families of women with POI. OBJECTIVE: We hypothesized that a s…
observational
2025
BACKGROUND: Nonobstructive azoospermia (NOA) and primary ovarian insufficiency (POI) have common genetics that may also predispose patients to cancer risk. OBJECTIVES: We hypothesized that NOA or severe oligozoospermia and the risk of male…
observational
2025
CONTEXT: DNA damage/repair gene variants are associated with both primary ovarian insufficiency (POI) and cancer risk. OBJECTIVE: We hypothesized that a subset of women with POI and family members would have increased risk for cancer. DES…
observational
2023
STUDY QUESTION: How does the number of children in women with primary ovarian insufficiency (POI) compare to the number for control women across their reproductive lifespans? SUMMARY ANSWER: Approximately 14% fewer women with POI will have…
observational
2021
STUDY QUESTION: What thresholds for total sperm count, sperm concentration, progressive motility, and total progressive motile sperm count (TPMC) are associated with earlier time-to-conception in couples undergoing fertility evaluation? SU…
observational
2017
PURPOSE: The purpose of the study was to determine whether diagnosis of endometriosis or endometriosis with endometrioma influences in vitro fertilization (IVF) outcomes in an ethnically diverse population. METHODS: Women undergoing a firs…
observational
2016
OBJECTIVE: To evaluate the relationship between epigenetic patterns in sperm and fecundity. DESIGN: Prospective study. SETTING: Academic andrology and in vitro fertilization laboratory. PATIENT(S): Twenty-seven semen samples from couples…
observational
2016
STUDY QUESTION: Is sexual and/or physical abuse history associated with incident endometriosis diagnosis or other gynecologic disorders among premenopausal women undergoing diagnostic and/or therapeutic laparoscopy or laparotomy regardless …
review
2015
Endometriomas are common in reproductive-aged women, but controversy exists regarding their management. PubMed was searched to identify pertinent studies on outcomes of medical and surgical management of endometrioma, with focus on randomiz…
observational
2015
STUDY QUESTION: What are the pain characteristics among women, with no prior endometriosis diagnosis, undergoing laparoscopy or laparotomy regardless of clinical indication? SUMMARY ANSWER: Women with surgically visualized endometriosis re…
observational
2014
Multiple trace elements have estrogen receptor activity, but the association of these elements with uterine leiomyoma has not been defined. A cohort of 473 women aged 18-44 undergoing surgery for benign gynecologic indications provided whol…
observational
2013
OBJECTIVE: We sought to identify risk factors for endometriosis and their consistency across study populations in the Endometriosis: Natural History, Diagnosis, and Outcomes (ENDO) Study. STUDY DESIGN: In this prospective matched, exposure…