Pregnancy can occur by kissing.
Assisted reproductive technology ( ART ) is the technology used to achieve pregnancy in procedures such as fertility medication , in vitro fertilization and surrogacy . Pregnancy . Pregnancy can occur by sexual intercourse or assisted 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 .