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Incidence and Risk Factors of Twin Pregnancy at Jimma University Specialized Hospital, Southwest Ethiopia | OMICS International | Abstract
ISSN: 2161-1165

Epidemiology: Open Access
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Research Article

Incidence and Risk Factors of Twin Pregnancy at Jimma University Specialized Hospital, Southwest Ethiopia

Temesgen Tilahun1*, Fitsum Araya2 and Gurmesa Tura3

1Collage of Medical and Health Sciences, Wollega University, Wollega, Ethiopia

2Department of Obstetrician and Gynaecology, Collage of Public Health and Medical Sciences, Jimma University, Jimma, Ethiopia

3Department of Population and Family Health, Collage of Public Health and Medical Sciences, Jimma University, Jimma, Ethiopia

*Corresponding Author:
Dr. Temesgen Tilahun
Assistant Professor
Collage of Medical and Health Sciences
Wollega University, Wollega, Ethiopia
Tel: +251912057186
E-mail: [email protected]

Received date: March 11, 2015; Accepted date: June 01, 2015; Published date: June 05, 2015

Citation: Tilahun T, Araya F, Tura G (2015) Incidence and Risk Factors of Twin Pregnancy at Jimma University Specialized Hospital, Southwest Ethiopia. Epidemiology (sunnyvale) 5:188. doi:10.4172/2161-1165.1000186

Copyright: © 2015 Tilahun T, 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

Background: The incidence of twin pregnancy is increasing all over the world because of assisted reproductive technology or spontaneously as a result of numerous risk factors. It is associated with increased risk of maternal and neonatal complications both in the developed and developing countries, which in turn increase financial, emotional, personal and social costs to the twins themselves and their families. Thus, determining its magnitude and identifying the risk factors are crucial for possible prevention and better interventions.

Method: Hospital-based prospective and case-control studies were conducted. To determine the incidence of twin pregnancy, all the 3812 deliveries conducted from December 01, 2012 to November 30, 2013 at Jimma University Specialized Hospital were followed from the time of admission to labor ward to the expulsion of fetus. To identify the risk factors for twin pregnancies, all 144 twin deliveries happened were taken as cases and 288 controls were randomly selected from the 3668 single ton-deliveries happened, with the ratio of 1:2. All the necessary data were collected by interviewing mothers, for both the cases and controls, by using structured questionnaire. The data were analyzed by using SPSS for windows version 20.0. Multivariate logistic regression analysis was done to identify risk factors for twin pregnancy. Odds ratios with 95% confidence intervals were used as measure of associations.

Results: From 3812 deliveries conducted in the year period, 144 were twins making an incidence of 37.7 per 1000 deliveries. Family history of twinning (OR=9.16, 95% CI: 4.73, 17.74), oral contraceptive pill use prior to pregnancy (OR=2.14, 95% CI: 1.12, 4.08), household monthly income of 50-100 USD (OR=1.94, 95% CI: 1.08, 3.50) and >100 USD (OR=2.18, 95% CI: 1.10, 4.33) were found to increase the risk of twin pregnancy significantly.

Conclusion: The study found high incidence of twin pregnancy. Family history of twinning, household income of ≥50 USD and oral contraceptive use prior to pregnancy were identified as risk factors for twin pregnancy. Mothers with identified risk factors should be targeted by nearby health facility in order to make the diagnosis of twin pregnancy earlier so that complications can be picked earlier and managed.

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