Introduction: Giardia infections are common in developing and under-developed countries. Poor sanitation, contaminated drinking
water sources, and insufficient personal hygiene habits are important factors responsible for Giardia lamblia infections. Giardiasis is
one of the parasitic infections which is produced by protozoa, Giardia lamblia. It is common intestinal protozoa which transmit
through the consumption of contaminated water or food or intake of food without proper hand wash. The aim of this study is to
aware to maintain hygiene habits during pregnancy. The mode of transmission is important because it can often be discovered
through thorough patient history. Case report: There were two cases of an antenatal woman with diarrhea, vomiting and abdominal
pain from few days. Microscopy and PCR were done with the sample collected by field surveyor and analysis was done. Conclusion:
The infection of Giardia lamblia is occurred through unhygienic conditions, improper cooking, poor sanitation. Molecular techniques
like PCR can give the best result for the identification of Giardia lamblia.
Keywords: Giardia lamblia, Giardiasis, Combination therapy, Trophozoite, and cyst