Final answer:
Newborn behaviors indicating a complication from shoulder dystocia may include a weak sucking reflex or a flaccid and limp posture, which can suggest nerve damage or a significant complication potentially related to shoulder dystocia.
Step-by-step explanation:
The question is about recognizing which newborn behaviors suggest a complication from shoulder dystocia. Shoulder dystocia is an obstetric emergency during childbirth where the infant's shoulder gets stuck after the head has been delivered, which can lead to complications. One of these potential complications is brachial plexus injury, which may manifest as weakness or paralysis in one arm. Observing a newborn's reflexes and responses can provide indications of such complications.
The presence of the Moro reflex, indicated by a baby spreading out arms and then pulling them back in usually followed by crying, is a normal reaction and does not indicate a complication from shoulder dystocia. On the other hand, the absence or weakness of reflexes such as the palmar grasp or a weak sucking reflex, which are normally seen in healthy newborns, could be of concern. A flaccid and limp posture can be an alarming sign and might suggest nerve damage or other significant complications possibly related to shoulder dystocia.