Presenter Nguyen Thanh Ha 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…)

Source: Guilmoto, 2007

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

Figure 2: Sex ratio at birth by the sex of previous child/children 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 3th 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: