<prompt> Nerve commonly injured in forceps delivery is?Common peronealObturatorLateral cutaneous nerve of thighSciatic  <response>: ANSWER: B ObturatorREF: Danforth s Obstetrics and Gynaecology 10th ed P-4S7Nerves commonly injured in obstetrics and their etiologiesNerveEtiologyFemoral L2-L4Hyperflexion of hips with traction or compression injury of nerve, prolonged lithotomy position with kinking of pouparts ligament, midforceps delivery, retractors in caesarean and epidural anesthesiaLateral femoral cutaneous nerve L2- L3Prolonged or incorrect lithotomy position, retractors in CesareanCommon peroneal nerve L4, 5, SI, 2Compression at knee by lithotomy pole, reported with epidural anesthesiaLumbosacral trunk S4, 5Compression of fetal head against sacrum, midpelvic forceps, reported with epidural anesthesiaSciatic nerve L4 to S3Lithotomy position, mid forceps and incorrect intramuscular injectionObturator nerve L2-4Lithotomy position , acute flexion of hip , hematoma, trauma from forceps bladeSaphenous nerve L2-4Lithotomy position 