Respuesta :

1.beginning of regular contractions or rupture of membranes to 10cm cervical dilation
2.
10 cm cervical dilation to delivery of baby
3.
birth to delivery of placenta

Answer:

1.beginning of regular contractions or rupture of membranes to 10cm cervical dilation

2.10 cm cervical dilation to delivery of baby

3.birth to delivery of  placenta

Explanation: