In March, the U.S. FDA reported a major shortage of Rhogam, the anti-D immune globulin most widely used to prevent Rh factor incompatibility in pregnancy. Without treatment, second and subsequent ...

The mysterious Rh factor-in human blood had disturbed the serenity of many a mother-to-be. For if a wife’s blood were Rh negative and a husband’s Rh positive, their child might be stillborn, or born ...

Pregnancy blood tests are over 99% accurate at detecting hCG, a hormone that rises after conception. False negatives can occur if the test is taken too early, so timing is important. Blood tests can ...