Friday, January 6, 2012

Biological Factors on Population

The biological factors are the special characteristics of human beings. To give birth to the child and pregnancy related factors are called biological factors. There is no evidence of hereditary effect on the fertility. But there can be serious effect that is there is defect in fertilizing organs of the body. Good health has also high fecundity but due to ill there is decline in fecundity. The people suffering from diseases cannot be fecund compared to healthy people. Age factors is also one of the factors of affecting fertility that is the fecundity develops gradually in the young people. It reduces gradually in adults and it gets powerless women reach to the age of 45-49 years. Ovulation cycle is also one cause fertility. Consequently, fertility is directed affected during the period of breast feeding. Miscarriage is also the factors that affect fertility, some women give birth to a foetus and give birth to a dead child and that is called miscarriage. Climate is also one of the important factor, that is in hot climate fertility rate is more whereas in cold climate fertility rate is low.

No comments:

Post a Comment