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Secular increase in placental weight in Saudia Arabia

Alwasel, S.H., Abotalib, Z., Alijarallah, J.S., Osmond, C., Alkharaz, S.M., Alhazza, I.M., Harrath, A., Thornburg, K. and Barker, D.J. (2011) Secular increase in placental weight in Saudia Arabia Placenta, 32, (5), pp. 391-394. (doi:10.1016/j.placenta.2011.02.007). (PMID:21429577).

Record type: Article

Abstract

Background: ramadan is an annual period of day-time fasting during which people in Saudi Arabia, including pregnant women, change their diets and physical activity. We recently reported that among babies who were in the second or third trimester of gestation during Ramadan placental growth slowed. We also found that, over the four years of the study, placental weight increased by 29 g per year. We have now extended our data collection in order to examine this trend in more detail.

Methods: we studied the birth records of 17 660 singletons born in King Saud Hospital, Unizah, Saudi Arabia, over a ten year period. The records included birth weight, placental weight and gestational age.

Results: during the first six years of the study period mean placental weight rose by more than 100 g while mean birth weight was unchanged. This secular increase in placental weight was accompanied by a change in the placenta’s response to Ramadan. During the first half of the study period babies who were in their second or third trimester of gestation during Ramadan had reduced placental weight (475 g and 476 g compared with 484 g, p < 0.001 for both). During the second half of the study period babies who were in their first trimester of gestation during Ramadan had reduced placental weight (533 g compared with 539 g, p = 0.03).

Conclusions: we suggest that the secular increase in placental weight reflects changes in maternal body composition. These have altered placental responses to the dietary changes during Ramadan. The biological processes underlying these responses are not known

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More information

Published date: May 2011
Keywords: fetal programming, ramadan, placental weight, placental/birth weight ratio

Identifiers

Local EPrints ID: 190593
URI: http://eprints.soton.ac.uk/id/eprint/190593
ISSN: 0143-4004
PURE UUID: e7e60829-66f2-4649-ae77-a2e0b9f6809a
ORCID for C. Osmond: ORCID iD orcid.org/0000-0002-9054-4655

Catalogue record

Date deposited: 14 Jun 2011 08:02
Last modified: 18 Jul 2017 11:37

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Contributors

Author: S.H. Alwasel
Author: Z. Abotalib
Author: J.S. Alijarallah
Author: C. Osmond ORCID iD
Author: S.M. Alkharaz
Author: I.M. Alhazza
Author: A. Harrath
Author: K. Thornburg
Author: D.J. Barker

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