A primigravida came with 6 cm cervical dilatation

A primigravida came with 6 cm cervical dilatation with contraction rate of 3/10
min.which stage of labour is she in
A.first stage
b.second stge
C.third stage
D.fourth stage

Ans.first stage

Ref- Arul kumaran labour management 6th edition p.127
WILLIAMS obstretics p.321
1st stage (onset of true labour pains to full cervical dilatation)

<4cm (latent phase) 4 or more cm -active phase

  maximum                                        A)cervical dilation:

primi- 20hrs primi-1.2 cm/hr.

multi-14hrs multi-1.5 cm/hr.

Average B)Descent:

Primi-12 hours primi-1cm/hr.

Multi- 6 hours multi-2cm/hr.