Ryan J. Heitmann
No ORCID on file
· 7 papers in corpus
observational
2022
OBJECTIVE: To examine trends of frozen embryo transfer (FET) proportions and large-for-gestational-age (LGA) incidence and determine risk factors for LGA infants after FET. DESIGN: Retrospective cohort study. SETTING: Not applicable. PAT…
other
2019
Hydrosalpinx, the blockage of fallopian tubes, can result from pelvic inflammatory disease. Hydrosalpinx is a cause of infertility and negatively impacts in vitro fertilization. To better understand the pathobiology of hydrosalpinx, we comp…
lab-animal
2015
PURPOSE: The in vitro fertilization (IVF) pregnancy rate of women with advanced stage endometriosis is nearly half that of the general population, suggesting incomplete targeting of the pathophysiology underlying endometriosis-associated in…
other
2015
Live births achieved via IVF are increased by improvements in air quality and laboratory environment
Infertility is a common disease, which causes many couples to seek treatment with assisted reproduction techniques. Many factors contribute to successful assisted reproduction technique outcomes. One important factor is laboratory environme…
observational
2014
OBJECTIVE: The purpose of this study was to assess the prevalence of endometriosis in women with premenstrual spotting and to determine the predictive value of this symptom in the diagnosis of endometriosis. STUDY DESIGN: We conducted a re…
2012
2011