The first stage starts with true labor pains, which are contractions that cause the cervix to open and complete when the cervix is fully dilated at 10 cm.
A cervical infection after childbirth, also called a postpartum infection, is an infection of the cervix, uterus, or both. It can occur anytime in puerperium.
Uterine prolapse is an abnormal position of the uterus in which the uterus descent downwards and protrudes into or out of vagina due to weakened pelvic muscles.
Missed abortion, also known as silent miscarriage, is a condition when the foetus is dead and retained inside the uterus for more than four weeks.
Preterm labour is defined as one where the labour starts before the 37 completed weeks counting from the first day of the last menstrual period.