This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Labour - normal, abnormal, malposition, malpresentation and their management, Subject name: Gynaecology & Obstetrics
Latent phase of Labour is said to be prolonged when the duration in a primigravida is more than... 
Select and explain. 
A. 3 hours, B. 8 hours, C. 12 hours, D. 20 hours
D: 20 hours
Answer: D: 20 hours 
Explanation: Latent phase in a Primigravida is prolonged if its more than 20 hours, multigravida if its more than 14 hours Labour Pattern Primigravida Multigravida Prolonged latent phase > 20hours >14 hr