Gynaecology & Obstetrics Latent phase of Labour is said to be prolonged when the duration in a primigravida is more than… A 3 hours B 8 hours C 12 hours D 20 hours 💡 Explanation Latent phase of Labour is said to be prolonged when the duration in a primigravida is more than... ✓ Correct Answer: D. 20 hours