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BLASTOCYST TRANSFER

Maternal and newborn risks associated with extended culture transfers

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?

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CORONAVIRUS

Looking ahead to the resumption of fertility treatment

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.

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SUPPLEMENTS

Vitamin D and other dietary supplements in pursuit of fertility

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?

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JOURNAL CLUB

ESHRE journal club's inaugural meeting

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.

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ANNUAL MEETING

Stepping into the unknown: how ESHRE moved to a virtual congress

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.

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MOSAICISM

Self-correction and the potential of mosaic embryos to implant

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.

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FERTILITY EDUCATION

Education campaign targets national policy-makers

ESHRE is backing a global campaign to increase awareness among policy-makers of the need for fertility education in response to declining birth rates.

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PCOS

New screening cut-off for polycystic ovaries may exclude patients from accurate PCOS diagnosis

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.

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Bodyweight

Obesity and outcome in assisted reproduction

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.

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ADJUVANTS IN POR

Growth hormone and other adjuvants in IVF poor responders

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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