Alan S Penzias

No ORCID on file · 9 papers in corpus · active 1991-2024

Study types

  • article 3
  • other 1
  • review 1

Condition tags

  • endometriosis 1
  • infertility 1
other 2024
Utilization of Cryopreserved Oocytes in Patients With Poor Ovarian Response After Planned Oocyte Cryopreservation
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…

article 2023
PREDICTING THE PROBABILITY OF RETURN AFTER OOCYTE CRYOPRESERVATION: A MACHINE LEARNERS APPROACH USING THE SART DATABASE
·doi:10.1016/j.fertnstert.2023.08.463
2018
IVF success corrected for drop-out: use of inverse probability weighting.
Human reproduction (Oxford, England) ·doi:10.1093/humrep/dey309

Study questionDoes inverse probability weighting (IPW) provide a more valid estimate of the cumulative incidence of live birth after multiple cycles of IVF?Summary answerIPW can provide a more accurate estimate of treatment success for coun…

2016
Factors Associated with the Success of In Vitro Fertilization in Women with Inflammatory Bowel Disease.
Digestive diseases and sciences ·doi:10.1007/s10620-016-4076-7

BackgroundIt is unknown whether certain factors are associated with the success of in vitro fertilization (IVF) in women with inflammatory bowel disease (IBD).AimThis study assessed whether certain characteristics are associated with greate…

2015
In vitro fertilization in women under 35: counseling should differ by age.
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-015-0570-7

PurposeThe 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.MethodsA retrospective cohort study of all women 18 …

2015
In Vitro Fertilization in Women With Inflammatory Bowel Disease Is as Successful as in Women From the General Infertility Population.
Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association ·doi:10.1016/j.cgh.2015.03.016

Background & aimsInflammatory 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 ge…

review 2005
Subfertility, fecundability, and the impact of laparoscopy on conception rates
·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.

article 1993
Proliferative index of human luteinized granulosa cells varies as a function of ovarian reserve
·doi:10.1016/0002-9378(93)90430-q

ObjectiveWe 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-stimul…

article 1991
Comparison of unilateral and bilateral tubal transfer in gamete intrafallopian transfer (GIFT)
·doi:10.1007/bf01139784

Gamete intrafallopian transfer (GIFT) is traditionally performed by delivering gametes into the ampullary region of either one or two fallopian tubes. The choice is made by the surgeon at the time of laparoscopy based upon the patient's ana…