A fetus surrounded by the amniotic sac which is enclosed by fetal<unk> . In PROM, these<unk> <unk>  before labor starts. The cause of PROM is not clearly understood, but the following are risk factors that increase the chance of it occurring. In many cases, however, no risk factor is identified. * Infections: urinary tract infection, sexually transmitted diseases, lower genital tract infections (e.g. bacterial vaginosis), infections within the amniotic sac<unk>  (chorioamnionitis) * Tobacco use during pregnancy * Illicit drug use during pregnancy * Having had PROM or preterm delivery in previous pregnancies * Polyhydramnios: too much amniotic fluid * Multiple gestation: being pregnant with two or more fetuses at one time * Having had episodes of bleeding anytime during the pregnancy * Invasive procedures (e.g. amniocentesis) * Nutritional deficits * Cervical insufficiency: having a short or prematurely dilated cervix during pregnancy * Low socioeconomic status * Being underweight
Prelabor rupture of membranes
Urinary incontinence
Postpartum infections
Bacterial vaginosis
Septic abortion
Obstructed labour
Toxic abortion
After-birth abortion