**Core Concept**
Zavanelli's manoeuvre is a rare obstetric procedure performed in case of a failed vaginal delivery. It involves pushing the baby back into the uterus and then performing an emergency cesarean section. This procedure is typically considered when there are severe complications during delivery.

**Why the Correct Answer is Right**
Zavanelli's manoeuvre is done in situations where the baby is stuck during delivery and a vaginal delivery is no longer possible. The procedure involves pushing the baby back into the uterus to prevent further complications, and then a cesarean section is performed to deliver the baby safely. This procedure requires immediate action and is usually performed in emergency situations.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is not a correct answer as Zavanelli's manoeuvre is not typically performed in cases of multiple gestations.
**Option B:** This option is not accurate as Zavanelli's manoeuvre is not a procedure used to manage placenta previa.
**Option C:** This option is incorrect as Zavanelli's manoeuvre is not a procedure used to manage breech presentation.

**Clinical Pearl / High-Yield Fact**
Zavanelli's manoeuvre is a high-risk procedure that should only be performed by experienced obstetricians in emergency situations. It is essential to weigh the risks and benefits of this procedure carefully, as it can lead to severe complications for both the mother and the baby.

**Correct Answer:** D.