CGS-authored

Jolene Sodano spent more than $200 to make herself crazy for a big chunk of her third pregnancy.

You see, she had two sons, 5 and 3, and desperately wanted a daughter.

She was so desperate that she didn't want to wait for a sonogram at 16 weeks to learn the sex of her third child. Instead, she ordered a test called Tell Me Pink or Blue. It promised her an answer just eight weeks into her pregnancy.

Sodano, 30, of Nazareth, Pa., pricked her finger, dripped a few drops of blood on a special paper strip and shipped it off to the manufacturer's California lab. In return, Sodano received a certificate, bordered in blue, that said: "Congratulations, you're having a boy."

Several companies market blood or urine tests that they claim can reveal a fetus' sex as early as five or six weeks after the mother's last menstrual period. But some scientists question the tests' accuracy, and ethicists worry that the results could lead women to terminate pregnancies if the fetus is the "wrong" sex. In addition, critics note...