alexa Maternal Serum Leptin at 11-13 Weeks Gestation in Normal and Pathological Pregnancies
ISSN: 2167-0943

Journal of Metabolic Syndrome
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Research Article

Maternal Serum Leptin at 11-13 Weeks Gestation in Normal and Pathological Pregnancies

Surabhi Nanda1,2, Ranjit Akolekar1,2, Isabela C Acosta1,3, Dorota Wierzbicka1,3 and Kypros H Nicolaides1,2,3*
1Harris Birthright Research Centre for Fetal Medicine, King’s College Hospital, London, UK
2Department of Fetal Medicine, Medway Maritime Hospital, Gillingham (Kent), UK
3Department of Fetal Medicine, University College Hospital, London, UK
Corresponding Author : Kypros H Nicolaides
Harris Birthright Research Centre for Fetal Medicine
King’s College Hospital
Denmark Hill, London SE5 9RS
Tel: 0044-2032998256
Fax: 0044-2077339534
E-mail: [email protected]
Received September 30, 2012; Accepted October 27, 2012; Published October 31, 2012
Citation: Nanda S, Akolekar R, Acosta IC, Wierzbicka D, Nicolaides KH, et al. (2012) Maternal Serum Leptin at 11-13 Weeks Gestation in Normal and Pathological Pregnancies. J Metabolic Synd 1:113. doi:10.4172/2167-0943.1000113
Copyright: © 2012 Nanda S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

Objective: To examine maternal serum levels of leptin at 11-13 weeks gestation in normal and pathological pregnancies.
Methods: Serum leptin, PAPP-A and uterine artery pulsatility index (PI) at 11-13 weeks were measured in 480 singleton pregnancies, including 240 with normal outcome, 60 that subsequently developed preeclampsia (PE), 60 that developed Gestational Diabetes Mellitus (GDM), 60 that delivered Large for Gestational Age (LGA) neonates and 60 that delivered small(SGA) neonates. Regression analysis was used to determine factors affecting maternal serum leptin concentration and from this model each value was expressed as Multiples of the Median (MoM). The median MoM values in the outcome groups were compared.
Results: In the normal group serum leptin levels increased with maternal weight and decreased with maternal height. In the PE group, the median leptin (1.18 MoM, p=0.027) and uterine artery PI (1.25 MoM, p<0.0001) were increased and serum PAPP-A (0.72 MoM, p<0.0001) was decreased. There was no significant association between serum leptin and either uterine artery PI (p=0.983) or serum PAPP-A (p=0.403). In the SGA, LGA and GDM groups serum leptin MoM was not significantly different from the controls (p=0.621, p=0.385 and p=0.722, respectively).
Conclusion: In conclusion, in pregnancies that develop PE, maternal serum leptin concentration at 11-13 weeks is increased in a manner not related to altered placental perfusion or function. In pregnancies complicated by the development of GDM or delivery of SGA or LGA neonates, serum leptin is not significantly altered.

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