Post maturity

Post maturity

1. POST MATURITY Mrs.Jagadeeswari.J M.Sc Nursing

2. DEFINITION Pregnancy continuing beyond 2 weeks of the expected date of delivery (>294 days) is called post maturity or post term pregnancy.

3. INCIDENCE The incidence of pregnancy continuing beyond 42 completed weeks (> 294 weeks days) ranges between 4- 14 %.the average is about 10%

4. ETIOLOGY Wrong dates Biological variability Maternal factors- primiparity,previous post term pregnancy , sedentary habit ,elderly multipara. Fetal factors-congenital anomalies Placental factors-sulphate deficiency –low estrogen

5. DIAGNOSIS Menstrual history Suggested clinical findings-weight record, abdomen girth,histroy of false pain, obstetric palpation internal examination

6. INVESTIGATION AIMS To confirm the fetal maturity To detect placental insufficiency

7. ASSESSMENT OF FETAL MATURITY Sonography Amniocentesis Straight x-ray abdomen

8. ASSESSMENT OF FETAL WELL BEING NST Bio physical profile USG-AFI Doppler Clinical findings-Baby general appearance, fetal weight ,liqour amnii,placenta,cord

9. COMPLICATIONS-FETAL During pregnancy-fetal hypoxia- fetal distress Diminished placental function Oligohydrominos Meconium liqour

10. DURING LABOUR Fetal hypoxia and acidosis Labour dysfunction Meconium aspiration Risk of cord compression due to oligohydraminos Shoulder dystocia Birth trauma-instrumental delivery Operative delivery

11. FOLLOWING BIRTH Chemical pneumonitis ,atelectasis and pulmonary hypertension-meconium aspiration Hypoxia and respiratory failure Hypoglycemia and polycythemia Increased NICU admission

12. COMPLICATIONS-MATERNAL Hazards of induction Instrumental delivery Operative delivery

13. Thank you