Allen J Wilcox
No ORCID on file
· 10 papers in corpus
observational
2026
BACKGROUND: Personal care products (PCPs) may contain endocrine-disrupting chemicals (EDCs) that can impact menstrual health. Despite widespread usage, little is known about the associations of PCP usage, EDC avoidance, and menstrual cycle …
observational
2026
BACKGROUND: Polycystic ovary syndrome is a common endocrine disorder, characterized by oligomenorrhea and androgen excess. Only a few studies have addressed the natural history of menstrual cycles among women with polycystic ovary syndrome …
observational
2025
BACKGROUND: Using menstrual products is a part of managing menstrual bleeding. Product use may represent individual, social, and economic influences. A few studies on menstrual product use from specific regions in the United States reported…
observational
2022
BACKGROUND: Prospective longitudinal cohorts assessing women's health and gynecologic conditions have historically been limited. OBJECTIVE: The Apple Women's Health Study was designed to gain a deeper understanding of the relationship amon…
observational
2022
STUDY QUESTION: Is fecundability associated with miscarriage history and future miscarriage risk? SUMMARY ANSWER: Prior miscarriage was associated with lower fecundability, and participants with a history of subfertility (time-to-pregnancy…
observational
2021
BACKGROUND: Increased risk of miscarriage has been reported for women with specific chronic health conditions. A broader investigation of chronic diseases and miscarriage risk may uncover patterns across categories of illness. The objective…
observational
2021
BACKGROUND: Some psychiatric disorders have been associated with increased risk of miscarriage. However, there is a lack of studies considering a broader spectrum of psychiatric disorders to clarify the role of common as opposed to independ…
other
2020
STUDY QUESTION: What proportion of fertilized human ova are lost before implantation? SUMMARY ANSWER: An estimated 40 to 50% of fertilized ova fail to implant. WHAT IS KNOWN ALREADY: Preimplantation loss is not detectable with current tec…
observational
2018
OBJECTIVE: The aim of the study was to examine the associations between 25-hydroxyvitamin D (25(OH)D) and biomarkers of ovarian reserve in a large community-based sample of women. METHODS: In 2010 to 2016, women aged 30 to 44 years without…
observational
2018
BACKGROUND: Vitamin D insufficiency is associated with subfertility and prolonged estrus cycles in animals, but humans have not been well studied. METHODS: A prospective time-to-pregnancy study, Time to Conceive (2010-2015), collected up t…