Hey, Gabe, your 'How' question just made me laugh.
I'll write an explanation for you if you haven't done it before
What happens is, two people of the opposite sex rip each other's clothes off and merge while the man whispers sweet nothings into the woman's ear in a pathatic attempt to disguise his carnal urges as being 'in love' while the woman wonders what colour scheme to have for the bedroom.
The man's seed swims up the river of her fertility and joins with her egg who was just sitting there patiently when she was bombarded by millions of brawling seeds josling for position.
She then divides into lots of cells and keeps dividing and growing until they form into what is called a fetus, which is the Latin word for 'Little One.'
Little One keeps growing until the woman's belly has blown up like a balloon and the man no longer wants to merge in case he bashes little one on the head.
Woman's Timer comes on and says little one is 'done' to perfection so they rush to the hospital, James Bond style.
With pain only a woman can know, the woman has expansions to move little one into the world, all while the doctors shout 'push' at her and she curses the day she ever met the man.
The man paces up and down the corridor outside, and since his woman was expanding for 24 hours, he paces the entire length of the hospital and back and manages to lose 2lbs.
Woman also loses weight rapidly, and baby arrives. A new human being.
The woman vows never to have sex again and the man goes to the pub to 'wet the baby's head'.