Medicine: Pregnant or Not?

There are three standard chemical tests for diagnosing early pregnancy. All depend on the fact that the urine of gravid women contains hormones which affect certain animals when the urine is injected into them. All these tests are about 98% accurate.

This week a new kind of pregnancy test was announced. Dr. Frederick Howard Falls and two colleagues of the University of Illinois College of Medicine, after experiments on 600 pregnant and nonpregnant women, launched it in the American Journal of Obstetrics and Gynecology. The answer comes up in an hour or less (the...

Want the full story?

Subscribe Now


Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!