{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T05:23:31Z","timestamp":1789190611574,"version":"build-2803163510"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2017,1,26]],"date-time":"2017-01-26T00:00:00Z","timestamp":1485388800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Obstet and Gynaecol"],"published-print":{"date-parts":[[2017,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>The aim of this study was to clarify the role of dilatation and curettage (D&amp;C) performed for spontaneous or induced abortion in the etiology of endometrial thinning.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This was a retrospective and cross\u2010sectional study of 310 infertile patients from January 2013 through December 2015. Endometrial thickness observed 5\u20137 days after ovulation in a natural menstrual cycle was correlated with the number of D&amp;C noted in each patient's history.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Study 1 was an investigation of patients without D&amp;C (group A: <jats:italic>n<\/jats:italic> = 232) and patients with D&amp;C performed for spontaneous abortion (group B: <jats:italic>n<\/jats:italic> = 46). Study 2 was an investigation of patients in group A and patients with D&amp;C performed for induced abortion (group C: <jats:italic>n<\/jats:italic> = 32). A significant negative correlation (<jats:italic>P<\/jats:italic> &lt; 0.01) between endometrial thickness and number of D&amp;C was observed in both studies. The mean endometrial thickness of the patients in group A was 10.9 \u00b1 2.1 mm. The mean endometrial thickness of the patients in group B with one and \u2265two D&amp;C was 7.9 \u00b1 2.3 and 6.9 \u00b1 2.9 mm, respectively. The mean endometrial thickness of the patients in group C with one and \u2265two D&amp;C was 9.1 \u00b1 2.3 and 7.8 \u00b1 2.0 mm, respectively. There was a tendency toward gradual endometrial thinning following repeated procedures and the number of previous D&amp;C was significantly associated with endometrial thinning (<jats:italic>P<\/jats:italic> &lt; 0.001) in both studies.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>D&amp;C performed for spontaneous or induced abortion may play a causal role in endometrial thinning.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jog.13254","type":"journal-article","created":{"date-parts":[[2017,1,27]],"date-time":"2017-01-27T04:58:02Z","timestamp":1485493082000},"page":"523-529","source":"Crossref","is-referenced-by-count":30,"title":["Role of dilatation and curettage performed for spontaneous or induced abortion in the etiology of endometrial thinning"],"prefix":"10.1111","volume":"43","author":[{"given":"Atsushi","family":"Azumaguchi","sequence":"first","affiliation":[{"name":"Sapporo Endometrium Research  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirofumi","family":"Henmi","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Reproductive Endocrinology KKR Sapporo Medical Center, Tonan Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirofumi","family":"Ohnishi","sequence":"additional","affiliation":[{"name":"Department of Public Health Sapporo Medical University  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshiaki","family":"Endo","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Sapporo Medical University  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tsuyoshi","family":"Saito","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Sapporo Medical University  Sapporo 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