Despite a time limit imposed in many countries on the freeze-storage of sperm, a new study from China has found that the long-term cryopreservation of semen in a sperm bank does not affect future clinical outcomes. Results ...
Jun 24, 2019
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The transfer of embryos cultured for five or six days (instead of two or three) after fertilisation in IVF and ICSI has become routine in many fertility clinics. Many (but not all) studies show that transferring these longer ...
Jun 24, 2019
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The increasingly popular trend for fertility clinics to freeze all IVF embryos for later transfer has been shown in a large multicentre randomised trial to offer no improvement in delivery rates over traditional 'fresh' embryo ...
Jun 24, 2019
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A study of over 64,000 women of childbearing age in the USA has found that infertility is associated with a higher risk of developing cancer compared to a group of over three million women without fertility problems, although ...
Mar 13, 2019
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Children born after assisted reproductive technology (ART) do not appear to be at greater risk of developing cancer than other children, according to the first study to look at the long-term cancer risk in ART children compared ...
Feb 4, 2019
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Chemicals that are widely used in personal care and household products are linked to girls entering puberty at earlier ages, according to findings from a long-running study of mothers and children published today.
Dec 4, 2018
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The age at which young women experience their first menstrual bleeding is linked to the age at which their sons start puberty, according to the largest study to investigate this association in both sons and daughters.
Oct 12, 2018
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190
It has been known for some time that it is better to transfer a single embryo to a woman's womb during assisted reproduction treatment (ART) rather than several embryos in order to avoid a multiple pregnancy and the risks ...
Oct 8, 2018
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94
The amount of physical activity that women undertake is not linked to their risk of early menopause, according to the largest study ever to investigate this question.
Sep 5, 2018
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The genetic screening of fertilised eggs for embryo selection in assisted reproduction makes no difference to live birth rates, according to results from the largest published study of its kind. Results from this multicentre ...
Aug 6, 2018
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