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      Effects of Clomiphene Citrate on Serum Hormone Levels and Endometrial Thickness in an in vitro Fertilization and Embryo Transfer Program

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          Abstract

          Hormonal alterations and pregnancy rates were compared between the clomiphene citrate (CC)-hMG combination cycle and the hMG cycle alone in an in vitro fertilization and embryo transfer program. In the CC-hMG cycle, the numbers of follicles developed, Oocytes recovered and embryos transferred were higher than those in the hMG cycle (p < 0.0l, p < 0.0l and p < 0.05, respectively). Pregnancy rates of the CC-hMG cycle (6.7%/operation, 7.1%/embryo transfer), however, were lower than those of the hMG cycle (25%/operation, 31.6%/embryo transfer). PRL levels in the hMG cycle increased according to estradiol levels. In the CC-hMG cycle, CC might inhibit estradiol-induced hyperprolactinemia and the increase was lower even if the estradiol level was much higher than that of the hMG cycle until day 2. On day 4, the PRL level in the CC-hMG cycle further increased. The thickness of endometrium on day -2 in the hMG cycle alone was much thicker than that in the CC-hMG cycle (9.8 ± 0.4 vs. 6.8 ± 0.4 mm, means ± SEM).

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          Author and article information

          Journal
          HRE
          Horm Res Paediatr
          10.1159/issn.1663-2818
          Hormone Research in Paediatrics
          S. Karger AG
          978-3-8055-5470-1
          978-3-318-01980-3
          1663-2818
          1663-2826
          1991
          1991
          02 December 2008
          : 35
          : Suppl 1
          : 39-44
          Affiliations
          Department of Obstetrics and Gynecology, Yamagata University School of Medicine, Yamagata, Japan
          Article
          181927 Horm Res 1991;35:39–44
          10.1159/000181927
          1752603
          © 1991 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          Page count
          Pages: 6
          Categories
          New Aspects of Prolactin in Human Reproductive Physiology

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