Valerie S Ratts

No ORCID on file · 5 papers in corpus
observational 2021
Reproductive BioMedicine Online ·doi:10.1016/j.rbmo.2021.03.018

RESEARCH QUESTION: How do anti-Müllerian hormone (AMH) concentrations in women with and without arthritis compare? Is there an association between AMH and arthritis drug regimen? DESIGN: In this prospective cohort study, AMH was measured a…

rct 2019
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-018-1356-5

PURPOSE: Implantation failure is a major limiting factor of successful in vitro fertilization (IVF). The objective of this study was to determine if endometrial mechanical stimulation (EMS) by endometrial biopsy in the luteal phase of the c…

nonrandomized-trial 2011
Fertility and sterility ·doi:10.1016/j.fertnstert.2011.01.154

OBJECTIVE: To determine if follicular free fatty acid (FFA) levels are associated with cumulus oocyte complex (COC) morphology. DESIGN: Prospective cohort study. SETTING: University in vitro fertilization (IVF) practice. PATIENT(S): A to…

observational 2011
Fertility and sterility ·doi:10.1016/j.fertnstert.2010.10.026

To determine the impact of maternal metabolic state on oocyte development in women undergoing in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI), we retrospectively analyzed a cohort of women with PCOS undergoing IVF/ICSI fr…

observational 2009
Fertility and sterility ·doi:10.1016/j.fertnstert.2008.04.063

OBJECTIVE: To determine whether morbid obesity is associated with decreased pregnancy and live birth rates after IVF in women with polycystic ovary syndrome (PCOS). DESIGN: Retrospective cohort study. SETTING: University-based fertility c…