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Postpartum physiological changes
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Postpartum physiological changes
The postpartum physiological changes are those expected changes that occur in the woman's body after childbirth, in the postpartum period. These changes mark the beginning of the return of pre-pregnancy physiology and of breastfeeding. Most of the time these postnatal changes are normal and can be managed with medication and comfort measures, but in a few situations complications may develop. Postpartum physiological changes may be different for women delivering by cesarean section. Other postpartum changes, may indicate developing complications such as, postpartum bleeding, engorged breasts, postpartum infections.
The breasts change during pregnancy to prepare for lactation, and more changes occur immediately after the birth. Progesterone is the hormone that influences the growth of breast tissue before the birth. Afterwards, the endocrine system shifts from producing hormones that prevent lactation to ones that trigger milk production. The first secretions are known as colostrum and are rich in substances that help the newborn adjust to life outside the womb. About two to five days after the birth the breasts begin to produce milk. This sometimes is described as "the milk coming in".
Information can be provided to the mother before the birth to enhance the understanding of breastfeeding and the support that will be available to make it successful. The mother is encouraged to breastfeed and spend time bonding with her infant immediately after the birth.
Sucking causes the pituitary gland to release oxytocin, which contracts the uterus and prevents bleeding. This can be felt by the mother in the breasts. The crying of the infant can also induce the release of oxytocin. Cracked nipples can develop at this time, which can be managed with pharmacological and nonpharmacological treatment.
The most drastic change in the uterus is the contraction from an organ weighing one kilogram and a volume of about 10 litres down to a 60 gram organ that only contains 5 ml of fluid. Immediately after delivery, the fundus of the uterus begins to contract. This is to deliver the placenta which can take up to 30 minutes and may involve a feeling of chills. In a normal and healthy response it should feel firm and not boggy. It begins to involute with contractions of the smooth muscle of the uterus. It will contract midline with the umbilicus. It begins its contractions and by twelve hours after the birth it can be felt to be at the level of the umbilicus. The uterus changes in size from one kilogram to 60-80 grams in the space of six weeks. After birth, the fundus contracts downward into the pelvis one centimeter each day. After two weeks the uterus will have contracted and return into the pelvis. The sensation and strength of postpartum uterine contractions can be stronger in women who have previously delivered a child or children.
The cervix remains soft after birth. The vagina contracts and begins to return to the size before pregnancy. For four to six weeks of the postpartum period the vagina will discharge lochia, a discharge containing blood, mucus, and uterine tissue.
During pregnancy the normal inflammatory immune response is shut down in order to allow the acceptance of the embryo to the body. In the postpartum period this needs to be quickly reversed back to normal. This immune reconstitution can result in the symptomatic expression of infections that were present but previously not responded to, especially infections with an autoimmune basis.
Education and discussion before the birth can alleviate some of the fear of the unknown and the anxiety when treatments are experienced for the first time. Providing continuous updates on the status of the infant is beneficial.
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Postpartum physiological changes
The postpartum physiological changes are those expected changes that occur in the woman's body after childbirth, in the postpartum period. These changes mark the beginning of the return of pre-pregnancy physiology and of breastfeeding. Most of the time these postnatal changes are normal and can be managed with medication and comfort measures, but in a few situations complications may develop. Postpartum physiological changes may be different for women delivering by cesarean section. Other postpartum changes, may indicate developing complications such as, postpartum bleeding, engorged breasts, postpartum infections.
The breasts change during pregnancy to prepare for lactation, and more changes occur immediately after the birth. Progesterone is the hormone that influences the growth of breast tissue before the birth. Afterwards, the endocrine system shifts from producing hormones that prevent lactation to ones that trigger milk production. The first secretions are known as colostrum and are rich in substances that help the newborn adjust to life outside the womb. About two to five days after the birth the breasts begin to produce milk. This sometimes is described as "the milk coming in".
Information can be provided to the mother before the birth to enhance the understanding of breastfeeding and the support that will be available to make it successful. The mother is encouraged to breastfeed and spend time bonding with her infant immediately after the birth.
Sucking causes the pituitary gland to release oxytocin, which contracts the uterus and prevents bleeding. This can be felt by the mother in the breasts. The crying of the infant can also induce the release of oxytocin. Cracked nipples can develop at this time, which can be managed with pharmacological and nonpharmacological treatment.
The most drastic change in the uterus is the contraction from an organ weighing one kilogram and a volume of about 10 litres down to a 60 gram organ that only contains 5 ml of fluid. Immediately after delivery, the fundus of the uterus begins to contract. This is to deliver the placenta which can take up to 30 minutes and may involve a feeling of chills. In a normal and healthy response it should feel firm and not boggy. It begins to involute with contractions of the smooth muscle of the uterus. It will contract midline with the umbilicus. It begins its contractions and by twelve hours after the birth it can be felt to be at the level of the umbilicus. The uterus changes in size from one kilogram to 60-80 grams in the space of six weeks. After birth, the fundus contracts downward into the pelvis one centimeter each day. After two weeks the uterus will have contracted and return into the pelvis. The sensation and strength of postpartum uterine contractions can be stronger in women who have previously delivered a child or children.
The cervix remains soft after birth. The vagina contracts and begins to return to the size before pregnancy. For four to six weeks of the postpartum period the vagina will discharge lochia, a discharge containing blood, mucus, and uterine tissue.
During pregnancy the normal inflammatory immune response is shut down in order to allow the acceptance of the embryo to the body. In the postpartum period this needs to be quickly reversed back to normal. This immune reconstitution can result in the symptomatic expression of infections that were present but previously not responded to, especially infections with an autoimmune basis.
Education and discussion before the birth can alleviate some of the fear of the unknown and the anxiety when treatments are experienced for the first time. Providing continuous updates on the status of the infant is beneficial.