Non Penetrative Sex

Non-penetrative sex or outercourse is sexual activity that usually does not include sexual penetration. It generally excludes the penetrative aspects of vaginal, anal, or oral sexual activity, but includes various forms of sexual and non-sexual…

Oestrogen

Oestrogen is a category of sex hormone responsible for the development and regulation of the female reproductive system and secondary sex characteristics.

Oligomenorrhoea

Oligomenorrhoea is infrequent or, in occasional usage, very light menstruation. More strictly, it is menstrual periods occurring at intervals of greater than 35 days, with only four to nine periods in a year. Menstrual periods should have been…

Oocyte

Oocyte is an immature ovum or egg cell.

Orgasm

Orgasm is the sudden discharge of accumulated sexual excitement during the sexual response cycle, resulting in rhythmic muscular contractions in the pelvic region characterised by sexual pleasure. Experienced by males and females, orgasms are controlled by the…