Alan S. Penzias

ORCID: 0000-0002-7160-494X · 8 papers in corpus
observational 2024
JAMA network open ·doi:10.1001/jamanetworkopen.2023.49722

IMPORTANCE: Poor ovarian response (POR) to stimulation may impact patients' desire or need to utilize cryopreserved oocytes for family building in the future. These findings, captured by Society for Assisted Reproductive Technology (SART) n…

2023
·doi:10.1016/j.fertnstert.2023.08.463
observational 2018
Human reproduction (Oxford, England) ·doi:10.1093/humrep/dey309

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…

other 2016
Digestive diseases and sciences ·doi:10.1007/s10620-016-4076-7

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
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-015-0570-7

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
Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association ·doi:10.1016/j.cgh.2015.03.016

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 …

review 2005
Fertility and sterility ·doi:10.1016/j.fertnstert.2005.03.088

Confusion is common when trying to compare the outcome of different fertility treatments. Calculation of fecundability is an excellent adjunct to reports that show cumulative conception totals after a period of observation or treatment.

observational 1993
American journal of obstetrics and gynecology ·doi:10.1016/0002-9378(93)90430-q

OBJECTIVE: We examined whether the proliferative index of luteinized granulosa cells, as determined by flow cytometry, varied as a function of a woman's ovarian reserve, as reserve, as reflected by follicular-phase day 3 serum follicle-stim…