Is it possible to tell the blood type of 7 week old human
embtro? If so, how?
Roy
replied to: royyowell
Replied to: Is it possible to tell the blood type of 7 week...
A Chorionic Villus Sampling (CVS) test can determine blood type in a first trimester fetus.
Here's an article which will provide more information:
http://www.webmd.com/baby/chorionic-villus-sampling-cvs