Where do women cum from during sex?

Glands: There are a set of glands around the vaginal opening that secrete a variable amount of liquid like material during female orgasm. Some women have alot of thin watery secretion that most women have (sometimes called squirters). Of vaginal and cervical mucus is usually mixed in with the material expressed from these glands around the vaginal opening.

Clitoris or "G spot": Most women have orgasms from stimulation of clitoris, some from so called the "g spot" inside front of lower vagina or both.