Pregnancy can occur by kissing.
Pregnancy can occur by sexual intercourse or assisted reproductive technology .	assisted reproductive technology	assisted reproductive technology	sexual intercourse	sexual intercourse
Assisted reproductive technology -LRB- ART -RRB- is the technology used to achieve pregnancy in procedures such as fertility medication , in vitro fertilization and surrogacy .	pregnancy	pregnancy	fertility medication	fertility medication	in vitro fertilization	in vitro fertilization	surrogacy	surrogacy	reproductive technology	reproductive technology
Sexual intercourse , or coitus or copulation , is principally the insertion and thrusting of the penis , usually when erect , into the vagina for sexual pleasure , reproduction , or both .	thrusting	Pelvic thrust	penis	penis	erect	erection	vagina	vagina	sexual pleasure	Sexual stimulation	reproduction	sexual reproduction
