This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Normal Labour, Subject name: Gynaecology & Obstetrics
During active labour cervical dilatation per hour in primi is: 
Select and explain. 
A. 1.2 cm, B. 1.5 cm, C. 1.7 cm, D. 2 cm
A: 1.2 cm
Answer: A: 1.2 cm 
Explanation: Ans. is a, i.e. 1.2 cmLabour is said to active when:Cervix is dilated to at least >=6cm.QRegular uterine contractions are present.QRate of dilatation is at least 1.2cm/hrQ for nulliparous and 1.5cm/hrQ for parous women.