Female Reproductive System
The human
female reproductive system contains
two main parts: the uterus, which hosts the
developing fetus, produces vaginal and uterine secretions, and passes the
male's sperm through to the fallopian tubes; and the ovaries, which produce the
female's egg cells. These parts are internal; the vagina meets the external
organs at the vulva, which includes the labia, clitoris and urethra. The vagina is attached to the uterus through the cervix, while the uterus is attached to the ovaries via the Fallopian
tubes. At certain intervals, the ovaries release an ovum, which passes through
the Fallopian
tube into the uterus.
If, in this
transit, it meets with sperm, the sperm penetrate
and merge with the egg, fertilizing it. The fertilization usually occurs in the oviducts, but can happen in
the uterus itself. The zygote then implants itself in the wall of
the uterus, where it begins the processes of embryogenesis and morphogenesis.
When developed enough to survive outside the womb, the cervix dilates and contractions of the uterus
propel the fetus through the birth canal, which is the vagina.
The ova are larger than sperm and have formed by the time a female
is born. Approximately every month, a process of oogenesis matures one ovum to be sent down the Fallopian
tube attached to its ovary in anticipation of fertilization.
If not fertilized, this egg is flushed out of the system through menstruation.
Dysmenorrhea
Dysmenorrhea is a gynecological medical condition of pain during menstruation that interferes with daily activities,
as defined by ACOG and others. Still, dysmenorrhea is often defined
simply as menstrual pain, or at least menstrual pain that is
excessive. This article uses the dysmenorrhea
definition of menstrual pain that interferes with daily activities, and uses
the term menstrual pain as any pain during menstruation
whether it is normal or abnormal.
Menstrual
pain is often used synonymously with menstrual cramps, but the
latter may also refer to menstrual uterine contractions, which are generally
of higher strength, duration and frequency than in the rest of the menstrual
cycle.
Dysmenorrhea
can feature different kinds of pain, including sharp, throbbing, dull,
nauseating, burning, or shooting pain. Dysmenorrhea may precede menstruation by
several days or may accompany it, and it usually subsides as menstruation
tapers off. Dysmenorrhea may coexist with excessively heavy blood loss, known as menorrhagia.
Secondary
dysmenorrhea is diagnosed when symptoms are attributable to an underlying disease, disorder, or structural
abnormality either within or outside the uterus. Primary dysmenorrhea is
diagnosed when none of these are detected.
Amenorrhea
Amenorrhea
is defined as delay of menstruation. There are 2 types of amenrrhea:
a)Primary amenorrhea is defined as no period by age 16 and
b)Secondary amenorrhea is defined as period beginning at the appropriate age, but later stops for more than 3 cycles or 6 months. Women who have a delay of period used to think that may be pregnant. In fact, there are many causes
of amenorrhea. In this article, we will discuss how to treat amenorrhea with nutritional supplements.
a)Primary amenorrhea is defined as no period by age 16 and
b)Secondary amenorrhea is defined as period beginning at the appropriate age, but later stops for more than 3 cycles or 6 months. Women who have a delay of period used to think that may be pregnant. In fact, there are many causes
of amenorrhea. In this article, we will discuss how to treat amenorrhea with nutritional supplements.
An ovarian
cyst is any collection of
fluid, surrounded by a very thin wall, within an ovary. Any ovarian
follicle that is
larger than about two centimeters is termed an ovarian cyst. An ovarian cyst
can be as small as a pea, or larger than an
orange.
Most ovarian
cysts are functional in nature and harmless (benign). In the US, ovarian cysts are found in
nearly all premenopausal women, and in up to 14.8% of postmenopausal women.
Ovarian cysts
affect women of all ages. They occur most often, however, during a woman's
childbearing years.
Some ovarian
cysts cause problems, such as bleeding and pain. Surgery may be required to
remove cysts larger than 5 centimeters in diameter.
Endometriosis
Endometriosis is
a disorder of the female reproductive system. The uterus is composed of 3 layers:
the perometrium (the outer layer), the myometrium (the muscle or middle layer),
and the endometrium (the inner layer).
Each month
during a woman's menstrual cycle, the endometrium grows and thickens to prepare
for implantation of a fertilized ovum. When the endometrium reaches its full
thickness, an egg is released from the ovaries. If the egg is fertilized, it
attaches to the thickened endometrium. However, if the egg is not fertilized,
the endometrial layer is sloughed off as a normal part of the menstrual cycle.
Endometriosis is a condition in
which endometrial cells become attached to tissues surrounding the uterus, such
as the fallopian tubes, the ovaries, or the large or small intestines.
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