A few methodological weaknesses in the Reproductive Health Survey were identified through this study.Compare each year is different.First, the low birthweight prevalence
in 2006 seems to be unrealistically low due torecall or other bias in reporting the birth weightin grams by mothers or caregivers.Second, exclusive breastfeeding referred to infants who received only breastmilk and vitamins, mineral supplements and medicines during the last 24 hours.Third, the face-to-face interview used in the
Reproductive Health Survey may limit the accurate measurement of unmet need for FP services; it is embarrassing and socially stigmatising to ask unmarried adolescents about their use of contraception.Fourth, we used point estimates without statistically
bound uncertainty for calculating the prevalence and coverage in this study.An assessment of unwanted births and contraceptive use between rich and poor women in
41 countries.22 .