NORMAL MENSTRUAL CYCLE

Prof Hamonangan Hutapea

Departement Of Obstetrics and Gynaecology

Medical School

University of Sumatera Utara

Medan

NORMAL MENSTRUAL CYCLE

THE WOMEN’S SIGN OF MATURITY.

MENSTRUATION EXIST AS A RESPONS OF ENDOMETRIUM TO THE OVARIAN STEROIDS CONTROLLED BY THE HYPOTHALAMUS AND HYPOPHYSEAL GLAND.

NORMAL MENSTRUAL CYCLE

THE WOMEN’S SIGN OF MATURITY.

MENSTRUATION EXIST AS A RESPONS OF ENDOMETRIUM TO THE OVARIAN STEROIDS CONTROLLED BY THE HYPOTHALAMUS AND HYPOPHYSEAL GLAND.

> THE MATURITY OF A WOMAN IS DEMONSTRATED BY THE MATUR INTERACTIONS BETWEEN THE CENTRAL NERVOUS SYSTEM AND ENDOCRINE GLANDS AND THEN TO VARIOUS ORGANS THROUGHOUT THE BODY : HYPOTHALAMUS / HYPOPHYSIS : = SUPRARENAL GLANDS

- THYROID, - OVARIUM TARGETS ORGANS THROUGH

OUT THE BODY : * UTERUS / ENDOMETRIUM

* SKIN * BLOOD AND VASCULAK SYSTEM * NERVOUS SYSTEM * MUSCULOSKELETAL SYSTEM * ETC

> THE MATURITY OF A WOMAN IS DEMONSTRATED BY THE MATUR INTERACTIONS BETWEEN THE CENTRAL NERVOUS SYSTEM AND ENDOCRINE GLANDS AND THEN TO VARIOUS ORGANS THROUGHOUT THE BODY : HYPOTHALAMUS / HYPOPHYSIS : = SUPRARENAL GLANDS

- THYROID, - OVARIUM TARGETS ORGANS THROUGH

OUT THE BODY : * UTERUS / ENDOMETRIUM

* SKIN * BLOOD AND VASCULAK SYSTEM * NERVOUS SYSTEM * MUSCULOSKELETAL SYSTEM * ETC

HYPOTHALAMUSHYPOTHALAMUS

HYPOFISISHYPOFISIS

NEURAL CONTROLL NEURAL CONTROLL CHEMICAL CONTROLCHEMICAL CONTROL

OVARIUMOVARIUM

ENDOCRINE REGULATION SYSTEMENDOCRINE REGULATION SYSTEM

GONADOTROPHINE EFFECT IN FOLLICLE MATURATION GONADOTROPHINE EFFECT IN FOLLICLE MATURATION

GONADOTROPHINE INFLUENCES TO THE STEROID SYNTHESIS IN THE PROCESS OF FOLLICLE MATURATION.

GONADOTROPHINE INFLUENCES TO THE STEROID SYNTHESIS IN THE PROCESS OF FOLLICLE MATURATION.

DEFINITION OF MENSTRUATION

• PERIODIC AND CYCLIC UTERINE BLEEDINGS

• THE RESULT OF HORMONAL STIMULATIONS

• THE SIGN OF WOMEN’S BIOLOGIC MATURITY.

THE IS A STRONG CORRILATION BETWEEN THE MENSTRUAL CYCLES AND THE OVARIAN CYCLES.

THE NORMAL CYCLE LASTS : 21 - 35 DAYS, BLEEDINGS PERIOD 3 - 7 DAYS, AND THE BLOOD VOLUME : 35 - 80 ml.

DEFINITION OF MENSTRUATION

• PERIODIC AND CYCLIC UTERINE BLEEDINGS

• THE RESULT OF HORMONAL STIMULATIONS

• THE SIGN OF WOMEN’S BIOLOGIC MATURITY.

THE IS A STRONG CORRILATION BETWEEN THE MENSTRUAL CYCLES AND THE OVARIAN CYCLES.

THE NORMAL CYCLE LASTS : 21 - 35 DAYS, BLEEDINGS PERIOD 3 - 7 DAYS, AND THE BLOOD VOLUME : 35 - 80 ml.

THE TWO PHASES OF THE MENSTRUAL CYCLE :

PROLIFERATIVE/FOLLICLE PHASE AND THE SECRETORY/LUTEAL PHASE..DURING THE PROLIFERATIVE PHASE THE ENDOMETRIUM IS STIMULATED BY ESTRADIOL SECRETED FROM THE OVARIES, AND DURING THE FOLICULAR PHASE THE ENDOMETRIUM WAS STIMULATED BY ESTRADIOL, BUT MAINLY PROGESTERONE SECRETED BY THE CORPUS LUTEUM.

THE TWO PHASES OF THE MENSTRUAL CYCLE :

PROLIFERATIVE/FOLLICLE PHASE AND THE SECRETORY/LUTEAL PHASE..DURING THE PROLIFERATIVE PHASE THE ENDOMETRIUM IS STIMULATED BY ESTRADIOL SECRETED FROM THE OVARIES, AND DURING THE FOLICULAR PHASE THE ENDOMETRIUM WAS STIMULATED BY ESTRADIOL, BUT MAINLY PROGESTERONE SECRETED BY THE CORPUS LUTEUM.

NORMAL CYCLE NORMAL CYCLE

HypermerrheaHypermerrhea HypomenorrheaHypomenorrhea

MenorrhagiaMenorrhagia Premenstrual BldPremenstrual Bld

SpottingSpotting

PolymenorrheaPolymenorrhea

Menometrorrgagia AmenorrheaMenometrorrgagia Amenorrhea

OligomenorrheaOligomenorrhea