| A comparison of the fertile phase as determined by the Clearplan Easy Fertility Monitor and self-assessment of cervical mucus. | |
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MedLine Citation:
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PMID: 14720613 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The purpose of this study was to compare the fertile phase of the menstrual cycle as determined by the Clearplan Easy Fertility Monitor (CPEFM) with self-monitoring of cervical mucus. One-hundred women (mean age = 29.4 years) observed their cervical mucus and monitored their urine for estrogen and luteinizing hormone metabolites with the CPEFM on a daily basis for 2-6 cycles and generated 378 cycles of data; of these, 347 (92%) had a CPEFM peak. The beginning of the fertile window was, on average, day 11.8 (SD = 3.4) by the monitor and day 9.9 (SD = 3.0) by cervical mucus (r = 0.43, p < 0.001). The average first day of peak fertility by the monitor was 16.5 (SD = 3.6) and by cervical mucus 16.3 (SD = 3.7) (r = 0.85, p < 0.001). The mean length of the fertile phase by the monitor was 7.7 days (SD = 3.1) and by cervical mucus 10.9 days (SD = 3.7) (t = 12.7, p < 0.001). The peak in fertility as determined by the monitor and by self-assessment of cervical mucus is similar but the monitor tends to underestimate and self-assessment of cervical mucus tends to overestimate the actual fertile phase. |
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Authors:
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Richard J Fehring; Kathleen Raviele; Mary Schneider |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Contraception Volume: 69 ISSN: 0010-7824 ISO Abbreviation: Contraception Publication Date: 2004 Jan |
Date Detail:
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Created Date: 2004-01-14 Completed Date: 2004-05-10 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0234361 Medline TA: Contraception Country: United States |
Other Details:
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Languages: eng Pagination: 9-14 Citation Subset: IM |
Affiliation:
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College of Nursing, Institute for Natural Family Planning, Marquette University, Clark Hall, PO Box 1881, Milwaukee, WI 53201-1881, USA. richard.fehring@marquette.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Cervix Mucus / physiology* Estrogens / urine* Female Fertility* Humans Luteinizing Hormone / urine* Menstrual Cycle / physiology* Middle Aged Natural Family Planning Methods* Ovulation Detection / methods* Sensitivity and Specificity |
| Chemical | |
Reg. No./Substance:
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0/Estrogens; 9002-67-9/Luteinizing Hormone |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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