CBS news in Martins Ferry, Ohio are reporting that the twin girls of Sarah Jessica Parker and Matthew Broderick have arrived. Sources close to East Ohio Regional Hospital in Martins Ferry confirm for CBS News that the surrogate mother for Sarah Jessica Parker and Matthew Broderick gave birth to twins this morning.

Anastasia and Tatiana Dogaru, who will be five in January, were born in Rome to Romanian parents.

Contrary to our previous beliefs, identical twins are not genetically identical. This surprising finding is presented by American, Swedish, and Dutch scientists in a study being published today in the prestigious journal American Journal of Human Genetics.

The prevalence of congenital heart disease (CHD) among in vitro fertilization (IVF) pregnancies was similar to that of the general population, but there is an increasing risk of CHD among twins resulting from IVF, according to research by Yale School of Medicine researchers.

CNN anchorwoman and lawyer Nancy Grace, 48, and her husband David Linch welcomed their first children, boy/girl twins, on Sunday, November 4th. Son John David, who was named for his father David and John the Revelator, weighed 5 pounds, 1 ounce, and daughter Lucy Elizabeth, who was named for Nancy's mother Elizabeth and her grandmother Lucy, weighed 2 pounds, 15 ounces.

Weekly progesterone injections do not prevent premature births in women pregnant with twins, a University of North Carolina at Chapel Hill study has found.

Your ability to listen to a phone message in one ear while a friend is talking into your other ear—and comprehend what both are saying—is an important communication skill that’s heavily influenced by your genes, say researchers of the National Institute on Deafness and Other Communication Disorders (NIDCD), one of the National Institutes of Health.

Ever wonder why smoking and depression seem to go together" A Saint Louis University School of Public Health researcher finds the connection is genetic.