What are the potential economic impacts of male contraception?

Sperm usually consist of two morphologically and functionally distinct regions enclosed by a single plasma membrane: the tail, which propels the sperm to the ... Sep 6, 2023 ... ... sperm, eggs or a womb. The Weizmann Institute team say their "embryo model", made using stem cells, looks like a textbook example of a real ... Sep 22, 2021 ... The Lacey Act makes it a crime to sell in interstate commerce wildlife possessed in violation of any state law when in the exercise of due care ... Apr 7, 2025 ... Semen, fluid that is emitted from the male reproductive tract and that contains sperm cells, which are capable of fertilizing the female's ... Jun 14, 2022 ... Jemma and Richard's son Harrison was born on 26 May 2020 – a week after they had moved house from Cambridgeshire to Northamptonshire – and a month before ... Oct 20, 2021 ... With global rates of male infertility continuing to rise, a new study in spermatogonial stem cell research led by researchers at the ... Apr 7, 2022 ... Rat sperm cells derived from stem cells in the lab were used to fertilise eggs and produce healthy offspring for the first time in a procedure that could be ... Jul 26, 2024 ... It consists of sperm from your testicles as well as fluids from your seminal vesicles and prostate. Jun 11, 2021 ... It is generally known that most men produce millions of new sperm every day. However, you might not know that these new sperm take about 74 days to fully ... Oct 19, 2023 ... Pedro Huertas, 69, of Pasadena, California, pleaded guilty to a misdemeanor charge of unlawfully importing wildlife parts (carvings from sperm whale teeth and ...