A large cohort study has found small but significant added obstetric and perinatal risks associated with fresh blastocyst transfers in IVF. Should blastocyst transfer still be the gold standard?
As some fertility clinics in Europe make a cautious return to work, new ESHRE guidance from its COVID-19 working group advises 'a measured return' to treatment, aiming for an infection-free working environment.
A new large cohort study finds limited evidence that food fortified with vitamin D appeared to increase the chance of parenthood. Are all dietary supplements any more than mere red herrings?
ESHRE's newly formed journal club had its first Twitter meeting last month, taking as its theme a new Human Reproduction paper on the association of hypertension in pregnancy with sperm donation. FoR correspondent Sofia Makieva reports from the Twittersphere.
When the coronavirus forced cancellation of this year's annual meeting in Copenhagen, the executive committee quickly bit the bullet and planned for an online event of the familiar structure, content and impact as before.
Despite reports of healthy deliveries following the transfer of mosaic blastocysts, a new review describes chromosomal mosaicism as a perpetual diagnostic and clinical dilemma in PGT-A. A recent case report of mosaicism in a newborn adds further caution.
Many women excluded from a diagnosis of PCOS because of a new high-frequency threshold of antral follicle count may still exhibit the other classic metabolic and androgenic symptoms of the PCOS phenotype.
Two recent studies shed new light on the effects of obesity on results in ART, the first from a large 15-year cohort study and the second from a case-control comparison of fresh and frozen blastocyst transfers in obese patients.
ADJUVANTS IN POR
A new meta-analysis of adjuvant treatments for poor responders in IVF finds that only two have any significant effect on pregnancy, while growth hormone may increase oocyte and embryo yield.
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