Abstract Title:

Effect of coffee intake on blood flow and maternal stress during the third trimester of pregnancy.

Abstract Source:

Int J Gynaecol Obstet. 2006 Jan;92(1):19-22. Epub 2005 Oct 19. PMID: 16242134

Abstract Author(s):

H Tsubouchi, K Shimoya, S Hayashi, M Toda, K Morimoto, Y Murata

Article Affiliation:

Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita City, Osaka, Japan.


OBJECTIVE: To investigate the effects of maternal ingestion of an ordinary dose of coffee on maternal stress and placental and fetal blood circulation during the third trimester of pregnancy. METHODS: We performed a Doppler blood flow analysis for 10 women in the third trimester of pregnancy before and after they drank a cup of coffee. Salivary samples were collected from the 10 pregnant women and 14 nonpregnant controls just before coffee intake and 30 min later. Salivary cortisol levels and chromogranin A titers were determined. RESULTS: Coffee intake had no effect on maternal or fetal blood flow. Among the pregnant women, Salivary cortisol levels were significantly reduced after coffee intake but salivary chromogranin A concentration was not significantly different before and after coffee intake. CONCLUSION: The reduced salivary cortisol levels suggest that coffee intake decreases maternal stress during pregnancy.

Study Type : Human Study

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Sayer Ji
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