{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:46:57Z","timestamp":1786978017743,"version":"build-2736575974"},"reference-count":48,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2022,2,7]],"date-time":"2022-02-07T00:00:00Z","timestamp":1644192000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Intl Journal of Cancer"],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Young individuals, aged &lt;40\u2009years, represent 7% of all patients with early breast cancer (EBC), most of whom receive chemotherapy. Preserving future fertility in these patients has become a major concern. This prospective study assessed ovarian function during and after chemotherapy according to patient and tumor characteristics and evaluated the outcome of controlled ovarian hyperstimulation (COH). Ovarian reserve was evaluated in terms of amenorrhea duration and by longitudinal serum anti\u2010M\u00fcllerian hormone (AMH) level variations measured at study entry, during treatment and until 24\u2009months thereafter. COH has been proposed for patients receiving adjuvant chemotherapy. We studied the association between clinical factors and ovarian function using Cox models and logistic regression. In this young population (age\u2009&lt;\u200938\u2009years, median\u00a0=\u00a032), 85 of 90 evaluable patients (94%) experienced chemo\u2010induced amenorrhea, including six persistent amenorrhea and one chemotherapy\u2010induced definitive ovarian failure. Overall, 33% of patients still had undetectable AMH values 12\u2009months after the end of chemotherapy, although most had recovered spontaneous and regular menstrual function. No specific factor was associated with clinical or biological late ovarian dysfunction, except for age and baseline AMH value. Overall, 58 patients underwent COH. The mean number of total retrieved oocytes and metaphase II oocytes were of 11.7 and 6.9, respectively. Thus, our study confirms the importance of fertility preservation in young patients with EBC. Our findings indicate that sequential chemotherapy is associated with a higher risk of persistent amenorrhea. There was no significant association between tumor characteristics, fertility preservation or recovery of ovarian reserve.<\/jats:p>","DOI":"10.1002\/ijc.33933","type":"journal-article","created":{"date-parts":[[2022,1,17]],"date-time":"2022-01-17T12:38:20Z","timestamp":1642423100000},"page":"1850-1860","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Is ovarian recovery after chemotherapy in young patients with early breast cancer influenced by controlled ovarian hyperstimulation for fertility preservation or tumor characteristics? Results of a prospective study in 126 patients"],"prefix":"10.1002","volume":"150","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0475-8631","authenticated-orcid":false,"given":"Audrey","family":"Mailliez","sequence":"first","affiliation":[{"name":"Breast Cancer Unit, Medical Oncology Department Centre Oscar Lambret  Lille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pascal","family":"Pigny","sequence":"additional","affiliation":[{"name":"Laboratoire de Biochimie \u201cHormonologie, M\u00e9tabolisme\u2010Nutrition &amp; Oncologie,\u201d Centre de Biologie Pathologie Centre Hospitalier R\u00e9gional Universitaire  Lille France"},{"name":"Inserm UMR\u2010S1277 Canther Universit\u00e9 de Lille  Lille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emilie","family":"Bogart","sequence":"additional","affiliation":[{"name":"Clinical Research and Innovation Department Centre Oscar Lambret  Lille 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