Sentence examples for birth ratio from inspiring English sources

The normal human birth ratio is 106 males for every 100 females.

The government has been trying to cut down on selective-sex abortions, which are partly responsible for a lopsided birth ratio of 117 male births to 100 female births.

The desire for sons is so strong in Vietnam that the gender birth ratio now stands at 111 boys to 100 girls, according to the ministry of health, well above the internationally accepted norm of around 104.

China's skewed birth ratio (118 boys to every 100 girls) means that there will be a surplus of about 24m bachelors by 2020.

In her 2011 book "Unnatural Selection," Mara Hvistendahl noted the research of the French demographer Christophe Guilmoto, who said in 2005 that if the continent's birth ratio were normal, it would have an additional 163 million women.

Multinomial probit and probit models were estimated and the marginal effects of the interaction term were conducted to estimate the impacts of ob/gyn to birth ratio and the information gap.

Department of Health research into birth ratios could find no evidence.

Industrial countries are also witnessing a decline in male to female birth ratios, and we don't know why.

To be sure, development can eventually lead to more equal treatment for girls: South Korea's birth ratios are now approaching normality.

The Dutch natural philosopher Willem 'sGravesande incorporated the limits of variation of these birth ratios into his mathematics and so attained a still more decisive vindication of Providence over chance.

Previous studies of temperature and birth ratios in Finland and New Zealand failed to identify a possible link.