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microscopy image series showing 8 days of embryo development
Mouse Embryo: No Sperm, Egg, or Uterus Required
Using stem cells and a bioreactor, researchers generated living embryos that survived for more than a week and began to develop internal organs.
Mouse Embryo: No Sperm, Egg, or Uterus Required
Mouse Embryo: No Sperm, Egg, or Uterus Required

Using stem cells and a bioreactor, researchers generated living embryos that survived for more than a week and began to develop internal organs.

Using stem cells and a bioreactor, researchers generated living embryos that survived for more than a week and began to develop internal organs.

uterus

Caroline Gargett, a biologist at the Hudson Institute of Medical Research in Australia, studies endometrial stem cells. She has short hair, wears glasses, and smiles at the camera.
An Endometrial Stem Cell Pioneer
Mariella Bodemeier Loayza Careaga, PhD | Sep 13, 2024 | 10+ min read
Two decades ago, Caroline Gargett identified adult stem cells in the endometrium. Now, she explores their functions to improve women’s health.
Pink-toned illustration of the uterus with a zoom of the inflamed cervix and of the uterine endometrium and immune cells found there
Infographic: Research Questions to Be Tackled by Uterus Transplants
Jef Akst | Aug 1, 2021 | 2 min read
Scientists are banking various samples from recipients of donated uteruses to learn all they can about the biology of the organ, and about transplantation more generally.
A New View of My Own Past
Jef Akst | Aug 1, 2021 | 6 min read
Hearing others’ perspectives on infertility and pregnancy has me reconsidering my own reproductive journey.
An illustration of flowers in the shape of the female reproductive tract
Uterus Transplants Hit the Clinic
Jef Akst | Aug 1, 2021 | 10+ min read
With human research trials resulting in dozens of successful deliveries in the US and abroad, doctors move toward offering the surgery clinically, while working to learn all they can about uterine and transplant biology from the still-rare procedure.
Opinion: How Biomedicine Could Transform Human Reproduction
Henry T. Greely | Aug 1, 2021 | 3 min read
CRISPR and other innovations are likely to open up a wealth of new options for how people have children.
Illustration of two rats, one male and one female, that are surgically joined. The male has a uterus transplanted in, and both have embryos transplanted into their uteruses.
Study that Impregnated Male Rats Stirs Controversy
Andy Tay | Jun 25, 2021 | 7 min read
A combination of approaches, including uterus transplantation and the joining of two animals’ circulatory systems, allowed males to bear pups, according to a preprint. But some experts say the experiments were not justified.  
Lab-Grown Mouse Embryos Form Limbs and Organs
Lisa Winter | Mar 19, 2021 | 3 min read
The embryos completed one-third of their total gestation outside of a uterus.
Image of the Day: Marijuana for Endometriosis?
Amy Schleunes | Jan 31, 2020 | 1 min read
THC, the psychoactive ingredient of cannabis, improved symptoms associated with the inflammatory disease in a mouse model.
arida1 pi3ka gene endometriosis uterine cancer uterus cell migration
Two Genes Conspire in Endometriosis and Cancer to Help Cells Migrate
Emma Yasinski | Aug 9, 2019 | 3 min read
The genes promote the migration of endothelial cells outside of the uterus, a characteristic of both endometriosis and endometrial cancers, a study of mice and human tissue finds.
Image of the Day: It’s a Shark!
Carolyn Wilke | Jan 8, 2019 | 1 min read
A newly developed underwater ultrasound reveals a fetal shark swimming between the two uteri of its mother.
Rat Study Points to Role of Uterus in Memory
Carolyn Wilke | Dec 7, 2018 | 1 min read
When researchers removed the reproductive organ, female rats had more difficulty solving a water maze.
First Child Delivered from Womb Transplanted from Dead Donor
Carolyn Wilke | Dec 5, 2018 | 2 min read
The girl was born in Brazil in December 2017.
First Uterus Transplant in U.S.
Jef Akst | Mar 1, 2016 | 2 min read
Less than six months after a woman in Sweden gave birth to a healthy baby from a transplanted womb, doctors in Cleveland begin a clinical trial to test the procedure in 10 US women.
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