| Lactational amenorrhea/anovulation and some of their determinants: a comparison of well-nourished and undernourished women. | |
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MedLine Citation:
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PMID: 11476779 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To study the effect of maternal nutritional status and some other possible determinants on lactational amenorrhea/anovulation. DESIGN: Prospective matched-pairs study. SETTING: Postpartum wards and community and academic settings. PATIENT(S): Thirty matched pairs of otherwise healthy, well-nourished (body mass index > or = 26.00 kg/m2) and undernourished (body mass index < or = 19.00 kg/m2) postpartum women were selected. INTERVENTION(S): Infant feeding pattern was recorded weekly, and infant weights, maternal body mass index, and maternal PRL levels were estimated every 4 weeks until resumption of menstruation. Ovulatory activity was determined using urinary estrone and pregnanediol glucuronide concentrations. MAIN OUTCOME MEASURE(S): Time of resumption of menstruation, regular and ovulatory. RESULT(S): Well-nourished women resumed regular menstruation significantly earlier than undernourished women but resumed ovulatory menstruation at almost the same time. Undernourished women had fewer anovulatory cycles preceding first postpartum ovulation and a higher prevalence of formula feeding. Effect of body mass index on lactational amenorrhea became nonsignificant when nonintroduction of formula feeds, maternal age, and socioeconomic status were controlled for. CONCLUSION(S): Improved maternal nutritional status has no significant effect on fertility: ovulation is not advanced despite early resumption of regular menstruation. |
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Authors:
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S Wasalathanthri; K H Tennekoon |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Fertility and sterility Volume: 76 ISSN: 0015-0282 ISO Abbreviation: Fertil. Steril. Publication Date: 2001 Aug |
Date Detail:
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Created Date: 2001-07-30 Completed Date: 2001-08-30 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0372772 Medline TA: Fertil Steril Country: United States |
Other Details:
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Languages: eng Pagination: 317-25 Citation Subset: IM |
Affiliation:
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University of Colombo, Sri Lanka. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Amenorrhea / physiopathology* Anovulation / physiopathology* Body Mass Index Breast Feeding Cohort Studies Estrone / urine Female Food Deprivation* Humans Infant Infant Food Lactation* Nutritional Status* Postpartum Period Pregnanediol / analogs & derivatives*, urine Prolactin / blood Prospective Studies |
| Chemical | |
Reg. No./Substance:
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1852-49-9/pregnanediol-3 alpha-glucuronide; 26445-07-8/Pregnanediol; 53-16-7/Estrone; 9002-62-4/Prolactin |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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