The Full form of PPH is Postpartum Hemorrhage. PPH is excessive bleeding within the first 24 hours following the birth of a baby. About 1 to 5 percent of women worldwide have postpartum hemorrhage and it is more likely with a cesarean birth. Hemorrhage most commonly occurs after the placenta is delivered. The average amount of blood loss to mother after the birth of a single baby in vaginal delivery is about 500 ml (or about a half of a quart). The average amount of blood loss for a cesarean birth is approximately 1,000 ml (or one quart). Most PPH occurs right after delivery, but it can occur later as well. After the delivery of a baby, the uterus normally continues to contract (tightening of uterine muscles) and expels the placenta. After the placenta is delivered, these contractions help compress the bleeding vessels in the area where the placenta was attached. If the uterus does not contract strongly enough, called uterine atony, these blood vessels bleed freely and hemorrhage occurs. This is the most common cause of PPH. Signs and symptoms of PPH may initially include an increased heart and breath rate, and feeling faint upon standing. As more blood is lost, the woman may become restless or unconscious, may feel cold, and blood pressure may drop.
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