Placenta previa

1. PLACENTA PRAEVIA

2. PLACENTA PRAEVIA
Definition: placenta is implanted in
the lower uterine segment and
located over the internal os it is occur
totally or partly.

4. TYPES
1.Total placenta previa
The internal cervical os is covered completely by
placenta
2.Partial placenta previa
The internal os is partially covered by placenta
3.Marginal placenta previa
The edge of the placenta is at the margin of the
intenal os.

5. CAUSES
1.maternal age: >35 years: placenta previa is
3times at age 35 as at age 25.
2.multiparty: 85% - 90%
3.prior cesarean delivery: 5 times
4.Smoking
5. Large placenta (as in twins)
6.Breech presentation
7. Placental abnormality

6. SIGNS &SYMPTOMS
 Painless hemorrhage(bright red)usually occurs
in late pregnancy after 7month
 Fetal movement &heart sound are normal.
 Abnormal fetal presentation, high and freely
mobile(breech)

7. DIAGNOSIS
 Pt.History
1. Painless hemorrhage
2. At late pregnancy or delivery
3. History of curettage or CS
 Signs&Symptoms. Abdominal findings
1) Uterus is soft, relaxed and no tender.
2) Contraction may be palpated.
3) A high presenting part can’t be pressed into the pelvic inlet.
Breech presentation
4) Fetal heart tones maybe disappear (shock or abruption)
 Ultrasonography

8. EFFECTS
 obstetrical hemorrhage
 Placenta accreta
 Anemia and infection
 Premature labor or fetal death or fetal distress

9. TREATMENTS
1. Admission to hospital, rest in bed until 38
weeks, sedation,
2. Blood transfusion& Treatment of anemia
3.Vaginal delivery
Marginal placenta previa ……..Induced labor by
artificial rupture of membrane.
-Partial &total placenta previa……C/S

10. END