All are risk factors for shoulder dystocia except:: (A) Maternal diabetes, (B) Trisomy 18, (C) Maternal obesity, (D) Post term pregnancy
Answer is B. Ans. B. Trisomy 18a. Increased risk of shoulder dystocia is seen in the following conditions:b. Fetal macrosomiac. Prior history of shoulder dystociad. Maternal obesitye. Maternal DM/Gestational diabetesf. Post term pregnancyg. Prolonged 2nd stage of laborh. Instrumental deliveryi. Anencephalic fetusj. Trisomy 18 is associated with IUGR, therefore no increased risk for shoulder dystocia.