## Classification of Breech Presentations **Key Point:** Footling (incomplete) breech carries the highest perinatal morbidity and mortality because the lower extremities are extended, offering minimal protection to the fetus during descent through the birth canal. ### Types of Breech Presentation | Type | Position | Frequency | Risk Level | |------|----------|-----------|------------| | Frank breech | Hips flexed, knees extended, feet at head | 65–70% | Lower | | Complete breech | Hips and knees flexed, feet near buttocks | 25–35% | Moderate | | Footling breech | One or both feet pointing downward, hips/knees variable | 5–10% | **Highest** | ### Why Footling Breech Is Most Dangerous 1. **Lack of pelvic fill:** The small foot does not distend the cervix adequately, risking entrapment of the larger head 2. **Cord prolapse risk:** Increased incidence of umbilical cord prolapse (up to 15–20%) 3. **Head entrapment:** The aftercoming head may become trapped if the body has already descended 4. **Increased trauma:** Greater risk of birth injuries and asphyxia **Clinical Pearl:** Frank breech is the most common and safest type for vaginal delivery (if criteria are met), whereas footling breech is an indication for planned cesarean delivery in most modern obstetric practice. **High-Yield:** Footling breech = highest perinatal mortality → cesarean delivery is standard of care. [cite:Williams Obstetrics 26e Ch 28]
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