Table 5

Risk of DDH: male baby

Risk factorsBreech presentationOligohydramniosHigh birthweight (≥ 4500g)PrimiparaAge 35+Post-maturity
Caesarean deliveryVaginal delivery
No other risk factor0.8%1.4%0.2%0.1%0.1%0.1%0.1%
+Oliogohydramnios2.7%4.7%0.4%0.4%0.4%0.2%
+High birthweight1.9%3.4%0.3%0.3%0.2%
+Primipara1.8%3.1%0.2%0.2%
+Age 35+1.7%3.0%0.1%
+Postmaturity1.1%2.0%
+Oligohydramnios +high birthweight6.5% 10.8%0.9%0.9%0.6%
+Oligohydramnios +primipara6.0%10.0%0.8%0.5%
+High birthweight +primipara4.3%7.3%0.6%0.4% 
+Age 35+ +postmaturity2.4%4.1%0.5%0.4%0.3%
+Oligohydramnios +age 35+5.7%9.6%
+Oligohydramnios +postmaturity3.8%6.5%
+High birthweight +age 35+4.1%6.9%
+High birthweight +postmaturity2.7%4.7%
+Primipara +age 35+3.8%6.4%
+Primipara, +postmaturity2.5%4.3%