Michele R. Hacker
ORCID: 0000-0003-0217-9991
· 16 papers in corpus
2026
2025
other
2022
OBJECTIVES: To evaluate whether an initial or two-day percent increase in serum beta-human chorionic gonadotropin (βhCG) is associated with ischemic placental disease (IPD) in singleton pregnancies after autologous or donor IVF. STUDY DESI…
other
2020
The majority of research within reproductive and gynecologic health, or investigating ART, is observational in design. One of the most critical challenges for observational studies is confounding, while one of the most important for discove…
other
2020
A mediator is a factor that occurs after the exposure of interest, precedes the outcome of interest (i.e. between the exposure and the outcome) and is associated with both the exposure and the outcome of interest (i.e. is on the pathway bet…
observational
2019
OBJECTIVE: To determine whether younger oocyte donor age is associated with better outcomes after in vitro fertilization (IVF) compared with older oocyte donor age. DESIGN: A retrospective cohort study. SETTING: Large academically affilia…
observational
2019
ObjectivesTo evaluate the association of fresh and frozen embryo transfer with the development of ischemic placental disease (IPD), hypothesizing that differences in implantation environment affect placentation and thus pregnancy outcomes.D…
other
2018
observational
2018
STUDY QUESTION: Does inverse probability weighting (IPW) provide a more valid estimate of the cumulative incidence of live birth after multiple cycles of IVF? SUMMARY ANSWER: IPW can provide a more accurate estimate of treatment success fo…
observational
2017
OBJECTIVE: To determine the prevalence of occult pre-malignant or malignant uterine pathology at the time of laparoscopic surgery with open power morcellation for benign gynecologic disease. METHODS: The present multicenter, retrospective …
observational
2017
PURPOSE: This retrospective cohort study aimed to determine whether age influences treatment discontinuation among insured patients undergoing in vitro fertilization (IVF). We hypothesized that the youngest patients would be the least likel…
observational
2017
OBJECTIVE: The objective of this study was to determine the effect of alcohol consumption on outcomes among women undergoing in vitro fertilization (IVF). DESIGN: This study is a retrospective cohort study. SETTING: This study was perform…
other
2016
BACKGROUND: It is unknown whether certain factors are associated with the success of in vitro fertilization (IVF) in women with inflammatory bowel disease (IBD). AIM: This study assessed whether certain characteristics are associated with …
observational
2015
PURPOSE: The aim of this study is to evaluate the outcomes of in vitro fertilization (IVF), including cumulative live birth rate, among women <25 years, 25 to <30 years, and 30 to <35 years. METHODS: A retrospective cohort study of all wom…
observational
2015
BACKGROUND & AIMS: Inflammatory bowel disease (IBD) affects women of reproductive age, so there are concerns about its effects on fertility. We investigated the success of in vitro fertilization (IVF) in patients with IBD compared with the …
observational
2014
OBJECTIVE: We sought to determine whether the success of intrauterine insemination (IUI) varies based on the type of health care provider performing the procedure. STUDY DESIGN: This was a retrospective cohort study set at an infertility c…