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Br J Obstet Gynaecol. 1982 Dec;89(12):985-8.

Relation between the luteinizing hormone peak, the nadir of the basal body temperature and the cervical mucus score.


The results of a cervical mucus scoring system and of basal body temperature (BBT) chart interpretation were compared with those of a short-incubation radioimmunoassay for luteinizing hormone (LH) in 198 ovulatory menstrual cycles. The timing of the maximal cervical mucus score was similar to that of the LH peak in all but 7% of assessable cycles. In contrast, the timing of the nadir of the BBT differed widely from that of the LH peak in 45% of cycles with interpretable charts. These findings suggest that cervical mucus scoring might be useful for identifying the time of ovulation where LH assays are unavailable or where speed and economy are at a premium.

[Indexed for MEDLINE]

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