Obstetric ultrasonography may also be used to detect pregnancy.

Less sensitive urine tests and qualitative blood tests may not detect pregnancy until three or four days after implantation.

A Chinese study of couples practicing random intercourse to achieve pregnancy used very sensitive pregnancy tests to detect pregnancy.

Zookeepers weren't aware that Katja was expecting, saying it's hard to detect pregnancy in tigers.

Thankfully today's woman can expect an easier, faster, reliable method of detecting pregnancy in the privacy of her own home.

Gravindex is an agglutination inhibition test performed on a urine sample to detect pregnancy.

They can detect pregnancy as soon as six days after conception or one day after a missed menstrual period.

A home pregnancy test is done to detect pregnancy by detecting human chorionic gonadotropin (hCG) in your urine.

Blood and urine tests can detect pregnancy 12 days after implantation.

The synopsis highlights a fascinating aspect of the film's plot which revolves around the so-called rabbit test, a disturbing practice employed to detect pregnancy used in the early twentieth century.