Girls must be at least 18 years of age to get married. According to the law of the country, girls cannot be married before the age of 18. Girls do not become physically and mentally fit for marriage before the age of 18. The issue of pregnancy is involved with marriage Before the age of 19 , the physical condition required to be a mother does not exist , and after the age of eighteen, the reproductive organs are not nourished by marriage. The uterus in particular is not ready for conception. Pregnancy before the age of 19 increases the risk of childbirth problems, leading to low birth weight babies. So being a mother before the age of 19 can be dangerous for both mother and child .