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Updated: Aug 19, 2026

Milk Collection in the Rat Using Capillary Tubes and Estimation of Milk Fat Content by Creamatocrit
07:38

Milk Collection in the Rat Using Capillary Tubes and Estimation of Milk Fat Content by Creamatocrit

Published on: December 16, 2015

Integrated concentrations of prolactin in breast-feeding mothers

B A Gross, C J Eastman, K M Bowen

    The Australian & New Zealand Journal of Obstetrics & Gynaecology
    |August 1, 1979
    PubMed

    Mean 24-hour integrated concentrations of serum prolactin (PRL) in 8 breast-feeding mothers (62 +/- 10.4 microgram/l) was significantly higher than in 4 control subjects (14.8 +/- 3.3 microgram/l). No correlation was found between the mean integrated concentrations and time after delivery or breast-feeding status. There was no relationship between the mean integrated concentration of PRL or the basal PRL and the frequency of feedings, the total suckling time, the mean interval between feedings or the longest interval between feedings in the 24-hour period. The study provides conclusive evidence for increased prolactin secretion in long-term puerperal lactation.

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