extrauterine pregnancy vs ectopic gestation

extrauterine pregnancy and ectopic gestation both are nouns.

Word	Noun	Adjective	Verb	Adverb
extrauterine pregnancy	Yes	No	No	No
ectopic gestation	Yes	No	No	No

As nouns, extrauterine pregnancy and ectopic gestation are synonyms defined as:

extrauterine pregnancy and ectopic gestation: pregnancy resulting from gestation elsewhere than in the uterus

Other synonyms of extrauterine pregnancy include eccyesis, ectopic pregnancy, extrauterine gestation, metacyesis.

extrauterine pregnancy (noun)	ectopic gestation (noun)
pregnancy resulting from gestation elsewhere than in the uterus	pregnancy resulting from gestation elsewhere than in the uterus