{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T07:19:40Z","timestamp":1789802380737,"version":"4.0.1"},"reference-count":29,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T00:00:00Z","timestamp":1773705600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T00:00:00Z","timestamp":1773705600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Intl J Gynecology &amp;amp; Obste"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To correlate anthropometric parameters with serum levels of progesterone (P4) for the prediction of ovulation in infertile women.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Body mass index (BMI), cormic index (CI), waist\u2010hip ratio (WHR), waist\u2010height ratio (WHtR), neck circumference (NC) and triceps skinfold thickness (TSF) were measured for 60 anovulatory and ovulatory infertile women, and fertile controls. Blood samples of the women were taken at the mid\u2010luteal phases of their menstrual cycles to determine their serum P4 levels. Pearson correlation coefficient was used to correlate the anthropometric parameters with serum P4 levels. Receiver operating characteristic (ROC) curve was utilized to determine critical anthropometry values to predict ovulation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Mid\u2010luteal P4 had a significant moderate negative correlation with WHtR (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u2009\u22120.346,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.008). Cormic index correlated significantly with WHtR (\n                      <jats:italic>r<\/jats:italic>\n                      \u2009=\u20090.265,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.049). A CI of \u226443.6 was the best predictor of ovulation with an area under the curve (AUC) of 0.659 (95% CI: 0.511\u20130.806), with sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of 78.8%, 57.1%, 75.7%, and 61.9%, respectively. A WHR of \u22640.83 was the second most accurate predictor of ovulation with an AUC of 0.559 (95% CI: 0.404\u20130.714), with sensitivity, specificity, PPV and NPV, respectively, of 77.8%, 31.8%, 65.1% and 46.7%.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Cormic index could potentially be used alone or in combination with WHR and WHtR to predict ovulation amongst infertile women, obviating the need for routine costly hormonal assays. This would be especially useful in low\u2010resource settings with high levels of poverty, where insurance does not cover infertility investigations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ijgo.70959","type":"journal-article","created":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T05:45:35Z","timestamp":1773812735000},"page":"1398-1407","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Correlation of anthropometric parameters with serum progesterone levels for the prediction of ovulation in infertile women in Ile\u2010Ife, Nigeria"],"prefix":"10.1002","volume":"174","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7543-0510","authenticated-orcid":false,"given":"Akaninyene Eseme","family":"Ubom","sequence":"first","affiliation":[{"name":"Department of Physiological Sciences, Faculty of Basic Medical Sciences, College of Health Sciences Obafemi Awolowo University  Ile\u2010Ife Nigeria"},{"name":"Department of Obstetrics and Gynecology, Faculty of Clinical Sciences PAMO University of Medical Sciences  Port Harcourt Nigeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olumide Stephen","family":"Akinsomisoye","sequence":"additional","affiliation":[{"name":"Department of Physiological Sciences, Faculty of Basic Medical Sciences, College of Health Sciences Obafemi Awolowo University  Ile\u2010Ife Nigeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muritala Abiola","family":"Asafa","sequence":"additional","affiliation":[{"name":"Department of Physiological Sciences, Faculty of Basic Medical Sciences, College of Health Sciences Obafemi Awolowo University  Ile\u2010Ife Nigeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-3325-8347","authenticated-orcid":false,"given":"Kelechi Nelson","family":"Adindu","sequence":"additional","affiliation":[{"name":"School of Allied and Public Health University of Chester  Chester UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Omobolanle Suliyat","family":"Ahmed","sequence":"additional","affiliation":[{"name":"Department of Physiological Sciences, Faculty of Basic Medical Sciences, College of Health Sciences Obafemi Awolowo University  Ile\u2010Ife Nigeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomiwa","family":"Akande","sequence":"additional","affiliation":[{"name":"Department of Physiological Sciences, Faculty of Basic Medical Sciences, College of Health Sciences Obafemi Awolowo University  Ile\u2010Ife Nigeria"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,3,17]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1093\/humupd\/dmv016"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiochem.2018.03.012"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pmed.1001356"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1093\/hropen\/hoac051"},{"issue":"2","key":"e_1_2_11_6_1","first-page":"90","article-title":"Epidemiology of infertility in Nigeria: social problems of the infertile couples","volume":"22","author":"Araoye MO","year":"2003","journal-title":"West Afr J Med"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2021.4788"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1186\/s40738-020-00090-3"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12302-021-00585-w"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2021.08.038"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/dev163"},{"issue":"3","key":"e_1_2_11_12_1","first-page":"118","article-title":"Patients' auto report of regularity of their menstrual cycles. 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