Patients undergoing IVF treatment should avoid unprotected sex, say Stanford
doctors who implanted two embryos into a woman only to find later that she was
pregnant with quads. “We were surprised, amazed and very curious,” says Mary
Hinckley of the Department of Gynecology and Obstetrics. Genetic testing after
the babies were born has revealed that while the implanted embryos developed
into fraternal twins, the woman also conceived identical twins after having sex
around the time of implantation.
To continue reading, today with our introductory offers
Advertisement
More from Âé¶¹´«Ã½
Explore the latest news, articles and features
Popular articles
Trending Âé¶¹´«Ã½ articles
1
Exclusive report: Inside Chernobyl, 40 years after nuclear disaster
2
The biggest threat to Chernobyl is no longer radiation
3
Neanderthal infants were enormous compared with modern humans
4
The rise, the fall and the rebound of cyclic cosmology
5
Beef is making a comeback – does it fit into a healthy diet?
6
From autism to migraines, birth order may have wide-reaching effects
7
Electric vehicle owners could earn thousands by supporting power grid
8
Largest ever map of universe captures 47 million galaxies and quasars
9
My life as a meteorologist in Chernobyl under Russian occupation
10
Particles seen emerging from empty space for first time



