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1 Persalinan Normal Dr. Alex Lumbanraja, SpOG

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Persalinan Normal

Dr. Alex Lumbanraja, SpOG

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• Persalinan : suatu proses pengeluaran hasil konsepsi yang dapat hidup dari dalam uterus melalui vagina ke dunia luar

• Penyebab terjadinya inisiasi persalinan :

- faktor humoral

- pengaruh prostaglandin

- struktur dan sirkulasi uterus

- pengaruh saraf

- nutrisi2

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Tanda-tanda Persalinan

• Bloody show/lendir darah keluar

• Kontraksi uterus yang teratur

• Pecahnya selaput ketuban

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Abnormalities of Labor THE 5 “P”

• Passageway: maternal pelvis

• Powers: uterine contractions

• Passenger: fetus

• Psyche : mother’s readiness

• Penolong

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True Versus False Labor

• True labor: mulai bila kontraksi rahim terjadi dengan interval yg teratur– menyebabkan rasa sakit

• back pain increases with walking

– Disertai dengan dilatasi serviks dan lendir darah

• False labor: menyebabkan nyeri dengan interval yg tdk teratur dan tanpa dilatasi serviks

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Leopold maneuver

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4 stages of labor

• Kala I: Stage of dilation• Dimulai dari onset persalinan sampai dilatasi serviks lengkap

• Dapat disertai dengan rupturnya selaput ketuban• Kala I dibagi 2 fase: fase laten dan aktif

– Apa saja yang perlu diperiksa pada Kala I?• Monitoring tekanan darah• Denyut jantung janin• Dilatasi serviks dan penurunan kepala

– Gunakan Partogram

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Kala I

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Dilatation of the cervix

• Nullipara:Nullipara:

I - shortening I - shortening

II - dilatation of external osII - dilatation of external os

III - dilatation of internal osIII - dilatation of internal os• Multipara:Multipara:

phases I, II and III occur togetherphases I, II and III occur together

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• Beberapa hal yang harus diketahui utk mengetahui mekanisme persalinan:

1. Letak janin

2. Presentasi janin

3. Penunjuk

4. Engangement

5. Station

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Macam-macam presentasi Janin

Presentasi Kepala

Presentasi MajemukPresentasi Muka

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Macam-macam presentasi Janin

Presentasi DahiPresentasi Bokong

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Macam-macam presentasi Janin

Letak lintang

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• Station: level of presenting part (bony portion) in relation to the maternal ischial spines– Ischial spines = O station– Above spines: -5 to -1

–Below spines: +1 to +5

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Cardinal Movements of Labor

1. Engagement: descent of biparietal diameter to the level of the ischial spines (0 station)

2. Descent 3. Flexion: presenting diameters of fetal

head presenting to maternal pelvis are optimized

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4. Internal rotation: fetal occiput rotates from transverse to AP

5. Extension: head rotates under symphysis pubis

6. External rotation (restitution): occiput and spine assume same position

7. Expulsion: fetal body delivers

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Mekanisme Persalinan

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Mekanisme Persalinan

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• Kala II: Stage of expulsion– Primipara: 1-2 jam– Multipara: + ½ jam– Episiotomi

• Kala III: Kala uri– Manajemen

kala III aktif

Third stage of labor:Delivery of the placenta

Placenta

Uterus

Umbilical cord

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KALA II

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KALA III