More see sex.

A fertile couple may have sexual intercourse while contracepting not only to experience sex proom pleasure recreationalbut also as a means of emotional intimacy relationalthus deepening their bonding, making their relationship more stable and more capable of sustaining children in the future deferred reproductive.

McMahon; Marcel D.

Double angles pointing left Two angles facing left, which often indicate, "return to the beginning.

The study considered China and Vietnam to also fall into this group, though data were not available.

Same-sex marriage:

African Books Collective.

Young Women Remake the Sexual Revolution.

Natural human reproduction involves penile—vaginal penetration, [82] during which semencontaining male gametes known as sperm cells or spermatozoa, is expelled via ejaculation from the penis into the vagina.

Denecke Jr.