Postmaturity

Present syndrome postmaturitate any fetus from a pregnancy exceeding 42 weeks calculated from the first day of last period.As the pregnancy is prolonged, the greater the risk of intrauterine malnutrition.
Etiology:
Syndrome postmaturitate the causes can be divided into maternal and ovulare.Maternal factors are:- Hormonal and humoral factors that induce a decrease in excitability myometrium;- Mechanical factors: low responsiveness segmento-neck area, lack of cervical maturatiei;- Imbalances in the nervous control;- Primiparitatea after age 35 years;- Chronic poisoning;- Unfavorable socio-economic status, poor nutrition.Ovulari factors include:- Insufficient placental sulfatase;- Male because testosterone inhibit fetal oxytocin;- Anencephaly;- Absence of fetal pituitary.
Clinical signs:
Birth a child has dry skin, visible on inspection, "washerwoman hands," cellular tissue decreased on alert. There are also cases of children with skin imbued with meconium, meconium aspiration has a high incidence in children leading to increased mortality risk posmatur postpartum.
After crossing interval of 42 weeks gestation is recommended caesarean section if there are signs of fetal distress.Postnatal complications include: metabolic disorders (hyperglycemia, hypocalcemia), of meconium aspiration syndrome, polycythemia, persistent pulmonary hypertension.
Fetal prognosis is marked by increased perinatal morbidity and mortality compared with term sracinile. Degenerative changes affecting placental feto-maternal and fetal nutrition and oxygenation compromise causing hypoglycemia, hypocalcemia. The prognosis is influenced by the possibility of fetal malformations of existence, presentations pathological fractures collarbone, pelvis disparities fetus (macrosomia).