: This category often indicates a pathological fertility index (greater than 2), where the gap between pregnancies and live births may suggest underlying medical issues like recurrent miscarriages or stillbirths.
typically refers to the relationship between the number of births and the average duration of maternal immunity. Technical Definition In the equation , the variables are defined as: : The number of births in a population. average duration of immunity derived from maternal antibodies. births d
Education is the single strongest predictor of birth demographics. Women with tertiary education give birth, on average, 5–7 years later and have 1 fewer child than women without primary education. : This category often indicates a pathological fertility
: The theoretical physicist often called the "father of the atomic bomb" was born in 1904. Isabella I of Castile : The theoretical physicist often called the "father