2013 (206)
2014 (286)
2015 (207)
2016 (83)
2017 (254)
2020 (2)
2022 (1)
2023 (9)
First stage: onset of labor till full cerviacal dialtion; latent and active phases
second stage: full cervical dilation to delivery of the infant;
third stage: delivery of the infant to delivery of the placenta;
four stage: 2 hours after delivery