mekanisme persalinan spontan
TRANSCRIPT
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Wirda Faswita, S.Kep.Ns
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Kala I : Pembukaan serviks sampai 10 cm. Kala II : Kala pengeluaran janin. Kala III: Kala uri. Kala IV: Plasenta lepas sampai 1 jam.
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His dan lendir bersemu darah ( bloody show ). Primigravida: OUI terbuka, serviks mendatar
dan menipis →OUE terbuka. Multigravida: Pembukaan, pendataran dan
penipisan bersamaan.
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Persalinan / Inpartu adalah
kontraksi uterus yang frekuensinya teratur dan
perubahan serviks (dilatasi dan pendataran)
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Fase Aktif:Fase Aktif:1. Fase Akselerasi : Ø 3 – 4 cm dlm 2 jam.2. Fase D maksimal: Ø 4 – 9 cm dlm 2 jam.3. Fase Deselerasi: Ø 9 – 10 cm dlm 2 jam.
Primigravida 13 jam dan multigravida 7 jam.
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0
6
4
2
0
10
8
2 4 6 8 10
Pem
buka
an S
ervi
ks (
cm)
Waktu (jam)
Garis W
aspad
a
Garis B
ertind
ak
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Source: WHO/UNFPA/UNICEF/WORLD BANK. IMPAC-Managing Complications in Pregnancy and Childbirth: A Guide for Midwives and Doctors. WHO 2000 (WHO/RHR/ 00.7)
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His Adekuat
Kontraksi yang…
• lamanya 60 detik
• mencapai tekanan 50 - 60 mm Hg
• terjadi setiap 2 - 3 menit
atau
• menghasilkan kemajuan persalinan yang baik
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His lbh kuat dan cepat tiap 2 – 3 menit. Kepala menekan otot dasar panggul →
mengedan dan BAB. Perinium menonjol dan lebar serta anus
membuka → labia membuka, tampak kepala janin di vulva.
Lahir kepala dengan suboccipito bregmatika dibawah simpisis.
Primigravida: 1,5 jam dan multi: 0,5 jam.
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Berlangsung 6 – 15 menit, plasenta lepas spontan atau dengan penekanan sedikit di fundus uteri.
KALA IV.KALA IV. Mengamati apakah ada perdarahan post
partum.
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96% persentasi kepala:► UUK kiri depan 58%.► UUK kanan depan 23%.► UUK kanan belakang 11%.► UUK kiri belakang 8 %.Ada 3 faktor penting dlm persalinan:Ada 3 faktor penting dlm persalinan:1. His dan kekuatan mengedan.2. Keadaan jalan lahir.3. Janin.
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Sinklitismus. Asinklitismus Anterior ( Naegle ). Asinklitismus Posterior ( Litzman ).
2. Fleksi.2. Fleksi. Ø suboccipito bregmatika 9,5 cm. Sirk suboccipito bregmatika 32 cm.
3. Putar paksi dalam.3. Putar paksi dalam. UUK anterior.
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Dengan subocciput sebagai hipomoklion → bregma, dahi, muka dan dagu.
5. Putar paksi luar / Restitusi.5. Putar paksi luar / Restitusi. Lahir bahu depan dan belakang.
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