Katherine J Sapra

No ORCID on file · 4 papers in corpus
observational 2016
Reproductive toxicology (Elmsford, N.Y.) ·doi:10.1016/j.reprotox.2016.06.011

Equivocal findings are reported for perfluoroalkyl and polyfluoroalkyl substances (PFASs) and self-reported pregnancy loss. We prospectively assessed PFASs and pregnancy loss in a cohort comprising 501 couples recruited preconception and fo…

observational 2016
Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco ·doi:10.1093/ntr/ntw132

INTRODUCTION: Previous studies suggest female smoking increases time-to-pregnancy (TTP), a couple-dependent reproductive outcome, while associations with male smoking are more ambiguous. Furthermore, despite small increases in smokeless tob…

observational 2015
Fertility and sterility ·doi:10.1016/j.fertnstert.2015.07.1129

OBJECTIVE: To assess benzophenone-type ultraviolet (UV) filter concentrations, chemicals used in sunscreen and personal care products, and semen endpoints. DESIGN: Cohort. SETTING: Not applicable. PATIENT(S): A total of 413 men provided …

observational 2014
American Journal of Epidemiology ·doi:10.1093/aje/kwu285

Concern has arisen about benzophenone (BP) ultraviolet (UV) radiation filters, given their use in sunscreen and personal-care products and their reported estrogenic and antiandrogenic activity. We recruited 501 couples who were discontinuin…