Amelia K Wesselink

Racialized economic segregation is a known determinant of health disparities that has been associated with adverse pregnancy outcomes. However, no study has investigated its association with fecundability, the per-cycle probability of conce…

OBJECTIVE: To assess whether exposure to lower-chlorinated PCBs from building materials is associated with increased incidence of UL, endometriosis, and PCOS in female residents. METHODS: We studied 21,619 residents of two Danish partially…

Study questionTo what extent are there racial and ethnic disparities in fecundability in North America?Summary answerIn a North American preconception cohort study, we observed large differences in fecundability across racial and ethnic gro…

Study questionTo what extent are self-reported diagnoses of food allergies associated with fecundability, the per-cycle probability of conception?Summary answerFecundability was not appreciably associated with self-reported food allergy dia…

INTRODUCTION: Menstrual health is a key patient-reported outcome beyond its importance as a general indicator of health and fertility. However, menstrual function was not measured in the clinical trials of COVID-19 vaccines. The purpose of …

We examined the association between childhood adversity and fecundability (the per-cycle probability of conception), and the extent to which childhood social support modified this association. We used data from 6318 female participants aged…

Study questionTo what extent do self-reported sleep duration and non-daytime work schedules in either partner affect the rate of spontaneous abortion (SAB)?Summary answerIncidence of SAB had little association with female sleep duration and…

Study questionTo what extent is preconception maternal or paternal coronavirus disease 2019 (COVID-19) vaccination associated with miscarriage incidence?Summary answerCOVID-19 vaccination in either partner at any time before conception is n…

ObjectivesTo evaluate the association between preconception contraceptive use and miscarriage.DesignProspective cohort study.SettingResidents of the United States of America or Canada, recruited from 2013 until the end of 2022.Participants1…

Some studies indicate that Black women have higher exposure to multiple non-persistent endocrine disrupting chemicals (EDCs) than white women, but little is known about correlates of exposure to EDC mixtures. Using baseline data from a pros…

Study questionCan we derive adequate models to predict the probability of conception among couples actively trying to conceive?Summary answerLeveraging data collected from female participants in a North American preconception cohort study, …

Study questionTo what extent is female preconception antibiotic use associated with fecundability?Summary answerPreconception antibiotic use overall was not appreciably associated with fecundability.What is known alreadyAntibiotics are comm…

BackgroundPhthalates are endocrine-disrupting chemicals that are widely present in consumer products. In the United States, Black women are more highly exposed to phthalates than other racial/ethnic groups, yet information on predictors of …

The association between dietary fat and fertility is not well studied. We evaluated intakes of total fat, saturated fatty acids, monounsaturated fatty acids, polyunsaturated fatty acids, trans fatty acids (TFA), ω-3 fatty acids, and ω-6 fat…

BackgroundThe synthetic solvent tetrachloroethylene (PCE), commonly used in dry cleaning operations, is a human neurotoxicant and carcinogen. However, its effect on reproduction is poorly understood, as prior studies have been limited to sm…

BackgroundAnimal studies have shown that a high intake of galactose, a breakdown product of lactose, increases ovarian toxicity. Few epidemiologic studies, to our knowledge, have examined the association between dairy intake and fertility, …

Study questionTo what extent is preconception use of pain-relieving medication associated with female fecundability?Summary answerWomen who used naproxen or opioids had slightly lower fecundability than women who did not use any pain-reliev…

PurposeThe aim of this study was to evaluate the association between menstrual cycle characteristics in early life and adulthood and fecundability.MethodsPregnancy Study Online (PRESTO) is an Internet-based preconception cohort study of pre…