3.siklus menstruasi
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3.siklus menstruasi

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    3.siklus menstruasi 3.siklus menstruasi Presentation Transcript

    • Siklus Menstruasi
    • Siklus Reproduksi
      • Siklus Reproduksi
        • Siklus ovarium: pertumbuhan folikel s/d ovulasi dan pembentukan korpus luteum)
        • Siklus menstruasi: perubahan siklik pada endometrium
      • 4 organ utama
        • Hipothalamus
        • Hipofisis (sel alfa dan beta)
        • Uterus
        • Ovarium
    • Siklus ovarium
      • Follicle grows and matures
      • Ovulation occurs
      • Corpus luteum forms
      secondary oocyte antrum primordial follicle corpus luteum first polar body
    • Siklus menstruasi
      • Fase menstruasi: 2-6 hari, pelepasan endometrium, sekresi hormon minimal
      • Fase proliferasi (pengaruh estrogen): hari ke 5 s/d 14 dari siklus menstruasi, endometrium tumbuh sehingga siap menerima ovum yang dibuahi, sedangkan di ovarium terjadi pematangan folikel
      • Fase sekresi/ fase luteal (pengaruh progesteron): hari ke 14 s/d 28 dari siklus menstruasi, terbentuk korpus luteum, terlihat hari ke 22 (nidasi terjadi), bila tidak maka E dan P menghambat FSH dan LH
    • Siklus menstruasi
    • Cycle Overview hypothalamus anterior pituitary FSH LH FSH LH LH estrogens estrogens FOLLICULAR PHASE LUTEAL PHASE menstruation ovulation GnRH FSH LH estrogens progesterone
      • GnRH secretion affects LH and FSH secretion by pituitary
      • LH and FSH affect follicle maturation
      • Estrogen and progesterone from ovary affect uterus