Terms used in this guideline

Early pregnancy

Pregnancy in the first trimester (that is, up to 13 completed weeks of pregnancy).

Expectant management

A management approach, also called 'wait and watch', when no medical or surgical treatment is given. The aim is to see if the condition will resolve naturally.

Pregnancy of unknown location

When a woman has a positive pregnancy test, but no intrauterine or extrauterine pregnancy can be seen with a transvaginal ultrasound scan.