Willis SK
No ORCID on file
· 5 papers in corpus
observational
2025
STUDY QUESTION: To what extent are self-reported diagnoses of food allergies associated with fecundability, the per-cycle probability of conception? SUMMARY ANSWER: Fecundability was not appreciably associated with self-reported food aller…
observational
2022
PURPOSE: To evaluate the relationships among history of asthma, asthma severity, and spontaneous abortion (SAB). METHODS: Pregnancy Study Online is a preconception cohort study of North American couples. During the preconception period, fe…
meta-analysis
2022
Female dietary patterns and outcomes of in vitro fertilization (IVF): a systematic literature review
BACKGROUND: Infertility affects up to 15% of couples. In vitro fertilization (IVF) treatment has modest success rates and some factors associated with infertility and poor treatment outcomes are not modifiable. Several studies have assessed…
observational
2021
STUDY QUESTION: Do daughters of older mothers have lower fecundability? SUMMARY ANSWER: In this cohort study of North American pregnancy planners, there was virtually no association between maternal age ≥35 years and daughters' fecundabili…
observational
2019
OBJECTIVE: To quantify the frequency of use of selected fertility awareness indicators and to assess their influence on fecundability. DESIGN: Web-based prospective cohort study. SETTING: Not applicable. PATIENT(S): Female pregnancy plan…