THE ALARMING IMBALANCE OF SEX RATIO AT BIRTH

THE ALARMING IMBALANCE OF SEX RATIO AT BIRTH IN CHI LINH, HAIDUONG PROVINCE, VIETNAM 2005 – 2010 Presenter Nguyen Thanh Ha

Content • • • Introduction Methodology Results Discussion Recommendation

Introduction • Sex ratio at birth: Statistical indicator computed as: The number of boys being born per one hundred girls (UNFPA). • Normal SBR: 104 -106 boys every 100 girls • Important demographic indicator – Doubling-time of population – Critical demographic measures – Trends in infant morbidity (low birth weight, mortality male infants…)

Methodology • A part of CHILILAB database • Fertility, Mortality, Marriage, Migrants, SES and basis Health Information. • Every 6 months from 2003 to date • Births from 2005 -2010 • Merge with parental information and preceding child/children • Analyze: descriptive and linear and multiple regression

Results

Results

Results Figure 2: Sex ratio at birth by the sex of previous child/children

Results

Discussion • 2005 – 2008, SBR is 112. 3, equivalently to the national rate (111/100 – VPHC, 2009) • Parents choose sex of child (boy) at the first child (114/100) or the 3 th one and above (176/100) • SBR is highly related to the sex of preceding child/children, mother’s education, occupation and SES.

Recommendation • To researchers: • To local policy makers: • To community: