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Chapter-01 Epidemiology: Where Do We Stand?

BOOK TITLE: FOGSI FOCUS: Prevention of Preterm Labor

Author
1. Pandey Seema
ISBN
9789352702299
DOI
10.5005/jp/books/18022_2
Edition
1/e
Publishing Year
2018
Pages
2
Author Affiliations
1. Seema Hospital, Atraulia, Azamgarh, Uttar Pradesh, India, Seema Hospital and Eva Fertility Clinic and IVF Centre, Azamgarh, Uttar Pradesh, India
Chapter keywords
Epidemiology, preterm labor, PTL, hypertension, diabetes, preterm birth, intrauterine growth retardation, IUGR

Abstract

As per World Health Organization and Federation of International Gynecologist and Obstetricians, spontaneous preterm labor (PTL) is “labor resulting in birth before 37 completed weeks (259 days) of gestational age, based on the first day of last menstrual period.” The burden of PTL is much more in developing countries like India. There are no accurate recent world wide data regarding the prevalence of PTL, but estimate ranges from 5% in developed countries to 25% in third world countries. The prevalence has been static in developed countries for decades and is in the range of 5–10%. Hogue and colleagues have proposed an epidemiological model based on host, environment, and agent triangle.

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