An orgasm is an emotional and physical experience that occurs
during a sexual response cycle. Before an orgasm, your body
becomes increasingly excited. Breathing, heart rate and blood
pressure increases. The pupils of the eyes dilate; the lips of the
mouth darken, the nipples become erect, the clitoris swells,
becomes hard and exposed, (much like the aroused penis). With
increased excitement, the skin becomes flushed and it begins to
sweat. In women, the labia, clitoris, vagina and pelvic organs
enlarge in very much the same way as the aroused penis enlarges.
Sometimes there is a plateau of excitement which is held for
several minutes before you are about to orgasm.
Orgasm is the point at which all the tension is suddenly released
in a series of involuntary and pleasurable muscular contractions
that may be felt in the vagina and/or uterus (some women do
experience orgasms without contractions).
The orgasm happens when excitement seems to go over the edge -- a
climax or crescendo is reached which may last several seconds or
longer. During orgasm the body stiffens and the muscles contract.
Involuntary muscle contractions and spasms may occur in various
parts of the body, including your legs, stomach, arms, and back.
The muscles of the vagina relax and contract rapidly, as do the
muscles of the uterus. The glands of the vagina (Bartholin's
glands) discharge a watery secretion, which acts to lubricate the
vagina. It is often said to be the equivalent to the male
ejaculation.
The main physical changes that occur during a sexual experience are
a result of vasocongestion. This is the accumulation of blood in
various parts of the body. Muscular tension increases and other
changes occur throughout your body also.
