WordNet

substance discharged from the vagina (cellular debris and mucus and blood) that gradually decreases in amount during the weeks following childbirth
order of plants distinguished by tubular petaloid perianth and inferior ovary (同)order Aristolochiales
birthworts; Dutchmans-pipe (同)genus Aristolochia
a long narrow inlet of the sea in Scotland (especially when it is nearly landlocked)
Scottish word for a lake

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湖(lake);入り江

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/12/18 11:30:06」(JST)

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For the plant genus, see Aristolochia.

In the field of the obstetrics, lochia is the vaginal discharge after giving birth (puerperium) containing blood, mucus, and uterian tissue.^[1] Lochia discharge typically continues for 4 to 6 weeks after childbirth.^[2] It is sterile for the first 2–3 days, but not so by the third or fourth day, as the uterus begins to be colonized by vaginal commensals such as non-hemolytic streptococci and E. coli.^[3]

It progresses through three stages:^[4]

Lochia rubra (or cruenta) is the first discharge, red in color because of the large amount of blood it contains. It typically lasts no longer than 3 to 5 days after birth.
Lochia serosa is the term for lochia that has thinned and turned brownish or pink in color. It contains serous exudate, erythrocytes, leukocytes, and cervical mucus. This stage continues until around the tenth day after delivery. Lochia serosa which persists to some weeks after birth can indicate late postpartum hemorrhaging, and should be reported to a physician.
Lochia alba (or purulenta) is the name for lochia once it has turned whitish or yellowish-white. It typically lasts from the second through the third to sixth weeks after delivery. It contains fewer red blood cells and is mainly made up of leukocytes, epithelial cells, cholesterol, fat, and mucus. Continuation beyond a few weeks can indicate a genital lesion, which should be reported to a physician.

In general, lochia has an odor similar to that of normal menstrual fluid. Any offensive odor indicates contamination by saprophytic organisms and should be reported to a healthcare provider. Lochia that is retained within the uterus is known as lochiostasis^[5] or lochioschesis, and can result in lochiometra^[6] (distention of the uterus - pushing it out of shape). Lochiorrhea^[7] describes an excessive flow of lochia and can indicate infection.

References[edit]

^ Murkoff, Heidi; Eisenberg, Arlene; Hathaway, Sandee (2002). What To Expect When You're Expecting (3rd ed.). New York: Workman. p. 383. ISBN 0-7611-2132-3. "This discharge of leftover blood, muscus, and tissue from your uterus, known as lochia, is normally as heavy as (and sometimes even heavier than) a menstrual period for the first three to ten postpartum days."
^ Oppenheimer, LW; Sherriff, EA; Goodman, JD; Shah, D; James, CE (July 1986). "The duration of lochia". Br J Obstet Gynaecol 93 (7): 754–757. PMID 3755355.
^ Hanretty, Kevin P. (2009). Obstetrics Illustrated. Illustrated by Ian Ramsden and Robin Callander (7th ed.). Churchill-Livingston. p. 337. ISBN 978-0-7020-3066-6. Retrieved 13 November 2013.
^ Sherman, D.; Lurie, S.; Frenkel, E.; Kurzweil, Y.; Bukovsky, I.; Arieli, S. (1999). "Characteristics of normal lochia". Am J Perinatol 16 (8): 399–402. PMID 10772198.
^ "lochioschesis - definition of lochioschesis in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus and Encyclopedia.".
^ "lochiometra - definition of lochiometra at the Free Dictionary by Farlex".
^ "lochiorrhea - definition of lochiorrhea at Encyclo, online encyclopedia and dictionary search.".

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1. 産後ケアの概要 overview of postpartum care
2. 分娩後子宮内膜炎 postpartum endometritis
3. 女性における生殖器出血の鑑別診断 differential diagnosis of genital tract bleeding in women
4. 経腟分娩後の出血管理 management of postpartum hemorrhage at vaginal delivery
5. 妊娠中の女性および産後の女性における腹痛および急性腹症に対するアプローチ approach to abdominal pain and the acute abdomen in pregnant and postpartum women

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Medicinal plants used for menstrual disorders in Latin America, the Caribbean, sub-Saharan Africa, South and Southeast Asia and their uterine properties: a review.

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[Uterine involution after cesarean section promoted with acupuncture: a randomized controlled trial].

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