subinvolutionn.
/ˌsʌbɪnvəˈl(j)uːʃn/, U.S. /ˌsəbɪnvəˈl(j)uʃ(ə)n/ Medicine.
Failure of the uterus (or, occasionally, an associated organ or structure) to return to its expected size after the end of a pregnancy; incomplete involution; an instance of this.
ΚΠ
1852 J. Y. Simpson in Monthly Jrnl. Med. Sci. Aug. 130 Sometimes hypertrophy of the uterus, from reduction or arrested sub-involution of the uterus, follows upon abortion or premature labour.
1872 T. G. Thomas Pract. Treat. Dis. Women (ed. 3) 47 The enfeebled woman is more liable to subinvolution, passive congestion, and displacements, after delivery, than the strong.
1895 Med. & Surg. Reporter 72 253/1 Cases that probably have their origin in a catarrhal salpingitis or a subinvolution of the tube following a septic ‘getting up’ after a full term labor or a miscarriage.
1914 Surg., Gynecol. & Obstetr. 18 781/1 We usually have subinvolution of the uterus and all the pelvic organs together with the ligaments of the uterus in cases of retroversion of the uterus.
1979 G. Bourne Pregnancy (rev. ed.) xxix. 441 Subinvolution follows a low grade infection inside the uterus so that the uterus does not involute, or return to its normal size, properly.
1989 Histopathology 15 395 (heading) Subinvolution of the uteroplacental arteries in the human placental bed.
2009 Amer. Jrnl. Obstetr. & Gynecol. 201 456.e4/1 Insertion immediately after placental removal has not been associated with an increased risk of infection, uterine perforation, postpartum bleeding, or uterine subinvolution.
This is a new entry (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1852