Many ultraviolet (UV)-filtering chemicals commonly used in sunscreens interfere with the function of human sperm cells, and some mimic the effect of the female hormone progesterone, a new study finds. Results of the Danish ...
Apr 1, 2016
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With commercial sperm banking giving women more opportunities to become mothers, a world-first QUT study has found the age and education of sperm donors are the most important characteristics considered.
Jul 7, 2016
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Men in the UK should be allowed to voluntarily donate their sperm after death, if they want to, argue ethicists in an analysis published online in the Journal of Medical Ethics.
Jan 20, 2020
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(Medical Xpress)—Human reproduction is simple. A sperm cell carries the man's genome into the egg. There, during fertilization, male and female genomes comingle in a way that fuses different traits from each parent into ...
Mar 14, 2014
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Physician-researcher Joyce Asseler and gynecologist Norah van Mello examined the ovarian tissue of transgender people who had their ovaries removed as part of their gender-affirming treatment. They had all used testosterone ...
Feb 22, 2024
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George (not his real name) is 24 and single. In the past four years, he has helped three couples get pregnant. The first couple had two sons. The second couple had a girl. And the third couple just found out they are expecting. ...
Nov 8, 2018
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Abstaining from alcohol during preconception and pregnancy is usually considered to be the woman's responsibility. The main concern surrounding alcohol exposure during pregnancy often relates to well-established evidence ...
Nov 7, 2017
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Despite emerging evidence of a decline in sperm quality with increasing age, an analysis of every first fertility treatment cycle performed in the UK using sperm donation shows that outcome in terms of live birth is not affected ...
Jun 30, 2014
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The World Health Organization estimates more than 70 million couples worldwide are unable to conceive each year, with close to a third of those cases attributable solely to issues with male fertility—including low sperm ...
Oct 30, 2013
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Legal experts are warning that a rise in 'informal family creation' is creating a lawless 'wild west' that puts vulnerable parents and children at risk.
Apr 18, 2023
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