
Sex Ratio at Birth
The sex ratio at birth (SRB) is the ratio of male to female babies born in a population, typically expressed as the number of males per 100 females. Naturally, this ratio is usually around 105 males for every 100 females, reflecting biological factors in human reproduction. Deviations from this natural balance can occur due to cultural preferences, gender-selective practices, or health factors. Monitoring the SRB helps understand demographic trends and potential social issues related to gender imbalances.