{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T00:03:04Z","timestamp":1756339384223,"version":"3.44.0"},"reference-count":11,"publisher":"BMJ","issue":"12","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2024,11,20]]},"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:p>Osseous metaplasia of the endometrium is a rare condition involving the bone tissue in the endometrial cavity. Its presence along with haematometra is an infrequent condition and is not reported until now. We present a case of a woman in her mid-30s with primary infertility and secondary amenorrhoea. On evaluation, she was diagnosed with osseous metaplasia, intrauterine synechiae and haematometra. Hysteroscopic removal of bone fragments was done along with synechiolysis which led to the return of menses.<\/jats:p>","DOI":"10.1136\/bcr-2024-262503","type":"journal-article","created":{"date-parts":[[2024,12,15]],"date-time":"2024-12-15T20:35:16Z","timestamp":1734294916000},"page":"e262503","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Osseous metaplasia of the endometrium presenting as haematometra: a rare presentation"],"prefix":"10.1136","volume":"17","author":[{"given":"Mona","family":"Mishra","sequence":"first","affiliation":[{"name":"Obstetrics and Gynecology, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Neetu","family":"Singh","sequence":"additional","affiliation":[{"name":"Obstetrics and Gynecology, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rupita","family":"Kulshreshtha","sequence":"additional","affiliation":[{"name":"Obstetrics and Gynecology, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2024,12,15]]},"reference":[{"key":"2025082701422114000_17.12.e262503.1","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1016\/0002-9378(54)90216-1","article-title":"Endometrial ossification; 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