Natural ovulation the best option before an IVF frozen embryo transfer

Different options exist within IVF treatment, and we’re learning more about their effectiveness ZEPHYR/SCIENCE PHOTO LIBRARY Natural ovulation is just as effective as hormone treatment for preparing the uterus for a frozen embryo transfer following in vitro fertilisation (IVF) and carries fewer risks, according to a large, randomised trial. Emerging evidence suggests that for women…

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NASA Crew-11 astronauts reflect on ISS medical evacuation and future of human spaceflight

January 21, 2026 2 min read Add Us On GoogleAdd SciAm Crew-11 astronauts reflect on ISS medical evacuation and future of human spaceflight At a press conference, former ISS commander Mike Fincke said Crew-11’s evacuation of the space station left him feeling more confident about human space exploration By Claire Cameron edited by Jeanna Bryner…

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