Stephen A Roberts

other 2025

Bias due to non-consent in assisted reproductive treatment cohort studies: consent for disclosure to non-contact research in the Human Fertilisation and Embryology Authority register

Human Reproduction ·doi:10.1093/humrep/deaf045

STUDY QUESTION: Is patient consent to research associated with the distribution of population characteristics and study outcomes in ART cohort studies? SUMMARY ANSWER: The distribution of population characteristics in the patient consent s…

2016

AMH type II receptor and AMH gene polymorphisms are not associated with ovarian reserve, response, or outcomes in ovarian stimulation.

Journal of assisted reproduction and genetics ·doi:10.1007/s10815-016-0711-7

PurposeGenetic variation may influence women's response to ovarian stimulation therapy. The purpose of this study was to investigate any effects of genetic variants in the anti-Müllerian hormone (AMH) and AMH type II receptor genes on ovari…

2016

Effect of salpingectomy, ovarian cystectomy and unilateral salpingo-oopherectomy on ovarian reserve.

Gynecological Surgery ·doi:10.1007/s10397-016-0940-x

Pelvic surgery can affect ovarian reserve, but estimates of the potential effect of different surgical procedures are lacking. This study examines the markers of ovarian reserve after different procedures in order to help the provision of i…

2013

Using Bonferroni, BIC and AIC to assess evidence for alternative biological pathways: covariate selection for the multilevel Embryo-Uterus model.

BMC medical research methodology ·doi:10.1186/1471-2288-13-73

BackgroundIVF treatments for infertility involve the transfer of multiple embryos in any one treatment cycle. When data is available on individual embryos the outcomes of each embryo are only partially observed, as treatment outcome (live b…

2008

Stimulated intrauterine insemination (SIUI) and donor insemination (DI) as first line management for a selected subfertile population: the Manchester experience.

Journal of assisted reproduction and genetics ·doi:10.1007/s10815-008-9251-0

PurposeThe objective of our study is to investigate the optimum number of stimulated intrauterine insemination (SIUI) or donor insemination (DI) cycles that can be offered to the couples prior to in vitro fertilization (IVF) or intracytopla…