Sapra KJ

No ORCID on file · 5 papers in corpus · active 2014-2016
2016
Preconception perfluoroalkyl and polyfluoroalkyl substances and incident pregnancy loss, LIFE Study.
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…

2016
Signs and symptoms associated with early pregnancy loss: findings from a population-based preconception cohort.
Human reproduction (Oxford, England) ·doi:10.1093/humrep/dew010

Study questionWhat is the relationship between signs and symptoms of early pregnancy and pregnancy loss <20 weeks' gestation?Summary answerVaginal bleeding is associated with increased incidence of early pregnancy loss, with more severe ble…

2016
Time-to-Pregnancy Associated With Couples' Use of Tobacco Products.
Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco ·doi:10.1093/ntr/ntw132

IntroductionPrevious 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 tobac…

2015
Urinary concentrations of benzophenone-type ultraviolet light filters and semen quality.
Fertility and sterility ·doi:10.1016/j.fertnstert.2015.07.1129

ObjectiveTo assess benzophenone-type ultraviolet (UV) filter concentrations, chemicals used in sunscreen and personal care products, and semen endpoints.DesignCohort.SettingNot applicable.Patient(s)A total of 413 men provided semen and urin…

2014
Urinary concentrations of benzophenone-type ultraviolet radiation filters and couples' fecundity.
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…