Researchers have found that 13 out of 29 UV filters used in sunscreens in the US and Europe can disrupt the function of human sperm cells – with some even mimicking the effect of the female hormone progesterone, and messing with sperm mobility.
Tag: sperm
Fertility Benefit coming to Active-Duty Personnel Oct. 1
Active-duty military personnel will be able to freeze their eggs or sperm under a fertility pilot program beginning Oct. 1, a senior defense official said earlier this month.
Sperm “Switch” Could Lead to New Treatments
Scientists have discovered the “switch” that activates sperm cells to travel to the egg, potentially paving the way for new methods of male contraception and infertility treatment. The research is published in the journal Science.
Dawn of The Unisex Contraceptive Pill? Scientists Discover What Powers Sperm Towards an Egg, Paving The Way to Cut Off its Energy Supply
A contraceptive pill that could be taken by men as well as women could be on the horizon.A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US government-funded scientists said last night.
ART Amendment Bill Eases Restrictions For Lesbian Families
The Assisted Reproductive Technology Amendment Bill passed the Lower House yesterday. Amongst the amendments, the Bill redefined the 5-woman limit to a 5-family limit for access to sperm from a single donor in order to remove the impact on lesbian families.
Mammalian Fertilization, Caught on Tape
The development of every animal in the history of the world began with a simple step: the fusion of a spermatozoon (the male gamete) with an oocyte, or egg (the female gamete). Despite the ubiquity of this process, the actual mechanisms through which fertilization occurs remain poorly understood. A new tool developed by a team of French biophysicists may soon shed light on this still-mysterious process, and has already captured highly detailed images of what happens when sperm and egg first touch.
Mouse Sperm Made in Lab
Scientists have produced rudimentary mouse sperm from stem cells in the laboratory, a step that may lead to a treatment for infertile men.
What It’s Like to Donate Sperm
Donating sperm seems easy: Walk into a clinic, ejaculate into a cup, make a quick buck. But it isn’t that simple. The entire donation process is more complicated and time-consuming than you’d expect.
Sperm Banks Draft Zika Virus Policy
Some sperm banks and fertility societies are taking steps to keep the Zika virus out of their supplies of donor sperm to avoid infecting women trying to get pregnant.
Pentagon to Offer Plan to Store Eggs and Sperm
Defense Secretary Ashton B. Carter believes he has come up with a way to help the Pentagon retain troops: freezing sperm and eggs. As part of an initiative to make military service more appealing and family friendly, Mr. Carter has created a pilot program that will pay for troops to have their reproductive cells preserved.