John L. Yovich

PurposeTo identify and characterise appropriate comparison groups for population studies of health outcomes in ART-conceived births: ovulation induction (OI), subfertile untreated and fertile natural conceptions. Our secondary objective was…

This retrospective cohort study was conducted on 1148 males who presented along with their partners for infertility management at the PIVET Medical Centre between 2013 and 2022 and had a sperm DNA fragmentation (SDF) assay performed by Halo…

A recent randomized control trial reports at the 5 years postoperative stage for limited vs extended surgery involving the rectovaginal septum. For those gynecologists with advanced laparoscopy skills who have been reluctant to embrace the …

A recent article supports our longstanding view that all intramural fibroids can cause disturbance of uterine function. This may be reflected in the symptom of menorrhagia or fertility-related issues, as well as pregnancy losses at all gest…

Objective: To assess the safety of laparoscopic myomectomy and consider the underlying reason for the most serious complication; that of uterine rupture. Design: 2 case studies with review of the recent literature. Setting: Two Austra…

Rather than consider endometriosis as an enigmatic disease, reading John Sampson's two theories/mechanisms explains virtually all cases affecting the female. It is true that Sampson's most recent publication, in 1940, which talks about retr…

The first PIVET algorithm for individualized recombinant follicle stimulating hormone (rFSH) dosing in in vitro fertilization, reported in 2012, was based on age and antral follicle count grading with adjustments for anti-Müllerian hormone …

BackgroundLifestyle factors including cigarette smoking, alcohol consumption and nutritional habits impact on health, wellness, and the risk of chronic diseases. In the areas of in-vitro fertilization (IVF) and pregnancy, lifestyle factors …

Abstracts of the 15th Annual Meeting of the ESHRE, Tours, France 1999 Two cases were cancelled before embryo transfer, one in group I due to a premature luteinizing hormone surge, and another case in group II as the semen sample of the part…

The present report examines retrospectively the success rates of both in-vitro fertilization and embryo transfer (IVF-ET) and gamete intrafallopian transfer (GIFT) in relation to the underlying infertility disorder. Reduced fertilization ra…

Abstract A combined service and research program of IVF‐ET was established at PIVET Laboratory, Perth, Western Australia in 1981. By May 1985, 592 couples have had a mean of 1.66 treatment cycles with a total of 140 pregnancies achieved (23…

In vitro fertilization and embryo transfer (IVF-ET) was performed on women with tubal disease only (28 women, 40 cycles), endometriosis grade I (15 women, 24 cycles), grade II (25 women, 37 cycles), grade III (26 women, 36 cycles), or grade…