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European Journal of Environment and Public Health

Genetic versus Environmental Analysis of Reproductive Behavior of Female Twins
Shayesteh Jahanfar 1 * , Munn Sann Lye 2
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1 School of Health Sciences, Central Michigan University, Mount Pleasant, MI, USA
2 Department of Community Health, University Tunku Abdul Rahman, UTAR Kampar Campus, Kuala Lumpur, MALAYSIA
* Corresponding Author
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Research Article

European Journal of Environment and Public Health, 2021 - Volume 5 Issue 1, Article No: em0051
https://doi.org/10.29333/ejeph/8365

Published Online: 25 Jun 2020

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APA 6th edition
In-text citation: (Jahanfar & Lye, 2021)
Reference: Jahanfar, S., & Lye, M. S. (2021). Genetic versus Environmental Analysis of Reproductive Behavior of Female Twins. European Journal of Environment and Public Health, 5(1), em0051. https://doi.org/10.29333/ejeph/8365
Vancouver
In-text citation: (1), (2), (3), etc.
Reference: Jahanfar S, Lye MS. Genetic versus Environmental Analysis of Reproductive Behavior of Female Twins. EUROPEAN J ENV PUBLI. 2021;5(1):em0051. https://doi.org/10.29333/ejeph/8365
AMA 10th edition
In-text citation: (1), (2), (3), etc.
Reference: Jahanfar S, Lye MS. Genetic versus Environmental Analysis of Reproductive Behavior of Female Twins. EUROPEAN J ENV PUBLI. 2021;5(1), em0051. https://doi.org/10.29333/ejeph/8365
Chicago
In-text citation: (Jahanfar and Lye, 2021)
Reference: Jahanfar, Shayesteh, and Munn Sann Lye. "Genetic versus Environmental Analysis of Reproductive Behavior of Female Twins". European Journal of Environment and Public Health 2021 5 no. 1 (2021): em0051. https://doi.org/10.29333/ejeph/8365
Harvard
In-text citation: (Jahanfar and Lye, 2021)
Reference: Jahanfar, S., and Lye, M. S. (2021). Genetic versus Environmental Analysis of Reproductive Behavior of Female Twins. European Journal of Environment and Public Health, 5(1), em0051. https://doi.org/10.29333/ejeph/8365
MLA
In-text citation: (Jahanfar and Lye, 2021)
Reference: Jahanfar, Shayesteh et al. "Genetic versus Environmental Analysis of Reproductive Behavior of Female Twins". European Journal of Environment and Public Health, vol. 5, no. 1, 2021, em0051. https://doi.org/10.29333/ejeph/8365
ABSTRACT
Purpose: The study aims at investigating the relationship between environmental and hereditary causes of reproductive behaviour, which would otherwise be difficult to study.
Materials and Methods: This cross-sectional descriptive study of the female reproductive health of twins investigated the heritability of qualitative and quantitative measured variables related to the reproductive behaviour of adult twins. Subjects included192 identical and non-identical twins, 15 years of age and above, who were living in urban areas of Malaysia.
Results: Basic genetic analysis for variables related to reproductive behaviour revealed that the age of first pregnancy, number of pregnancies and age of first marriage were under genetic influence. Proband wise concordance rate analysis showed higher similarity between identical twins in adopting recommended reproductive behaviour such as undergoing pap smears and using family planning techniques. The model-fitting analysis supported these findings.
KEYWORDS
reproductive behaviour twin genetic versus environment proband wise concordance
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