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The disappearance of sleep-related changes of serum prolactin in pregnant women

Rajikin MH 1 , Abdullah R 2 , Hamid Arshat 3

Affiliations 

  • 1 Mohd Hamim Rajikin, MSc. Jabatan Fisiology, Fakulti Perubatan UKM, P. O. Box 2418, Jalan Raja Muda Kuala Lumpur, Malaysia
  • 2 Ramli Abdullah, PhD. Jabatan Zoologi, University of Malaya, Kuala Lumpur, Malaysia
  • 3 Hamid Arshat, MRCOG. Lembaga Peranchang Keluarga Negara, 22, ]alan Murai Dua, Kuala Lumpur, Malaysia
Med J Malaysia, 1983 Dec;38(4):311-4.
PMID: 6599989

Abstract

Serum prolactin (hPRL) levels in nonpregnant, pregnant and postpartum women during sleep were investigated. The study showed that in non-pregnant women, there is an immediate shift of hPRL release with reversal of sleeping period. Thus, the nocturnal surge for prolactin is sleep related. In pregnant women, however, while there is an increase in hPRL level during pregnancy, the nocturnal rise of this hormone is not detected and this is observed as early as the first trimester of pregnancy.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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