X-rays of the breasts that can detect cancerous tumors before they can be felt.

Characteristics and ways of behaving that a culture associates with being a boy or a man.

A paraphilia in which sexual arousal becomes dependent on sexual role play or fantasy that includes receiving punishment, discipline, or humiliation.


Touching one's own sex organs for pleasure.

Megan's Law:
Federal and state laws that require police to notify citizens of the presence of convicted pedophiles in their communities.

The time of a girl's first menstruation.

The time at "mid-life" when menstruation stops; a woman's last period; usually occurs between the ages of 46 and 55. "Surgical" menopause results from removal of the ovaries, often removed with the uterus.

The medical term for excessive bleeding during menstruation.

Menstrual Cycle:
The time from the first day of one period to the first day of the next period; a repeating pattern of fertility and infertility.

Menstrual Flow:
Menstrual flow is the release of blood and endometrial tissue from the uterus through the vagina that occurs as part of the normal menstrual cycle.

Menstruation is the release of blood and endometrial tissue from the uterus through the vagina that occurs as part of the normal menstrual cycle. It usually lasts from four to six days.

The reliability of a contraceptive method itself when it's always used consistently and correctly.

Milk Ducts:
The passages in female breasts through which milk flows from the alveoli to the nipple.

Marriage or sexual relations between people of different races.

Molluscum Contagiosum:
A virus that can be sexually transmitted, causing small, pinkish-white, waxy, round growths in the genital area, on the thighs, or elsewhere on the skin.

Monogamous Relationship:
A relationship in which both people date or have sex only with one another and no one else.

Mons Pubis:
The pad of fatty tissue over the pubic bone. This structure becomes covered with hair during puberty and protects the internal sexual and reproductive organs.

"Morning-After" Pills:
Emergency hormonal contraception that is taken within 72 hours of unprotected intercourse.

Multiple Orgasms:
More than one orgasm occurring within the same sexual encounter.

Mutual masturbation:
Two people masturbating one another simultaneously.

Reciprocating equally with feelings and behavior.

Unfounded or false stories or ideas.



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