Cephalopelvic disproportion is a condition that occurs when the baby's head is too large or the mother's pelvis is too small, making vaginal delivery difficult. However, there are several synonyms that explain this condition, including fetal-pelvic disproportion, pelvic contraction, obstructed labor, abnormal labor, and disproportion of the fetal head and maternal pelvis. These various synonyms help medical professionals communicate the diagnosis effectively and treat the condition accordingly. It's crucial to understand these synonyms and possible signs of cephalopelvic disproportion to ensure the safety of both the mother and newborn. Early detection and management of this condition could significantly prevent any harm and complications.