Kindly provide your medical history like any regular medications you are taking for; any personal habits; any blood loss during pregnancy
Be ensure you have taken IFA (iron + Folic acid) tabkets for 100 days during pregnancy.
Next Steps
Consult with your gynaecologist
Also go for these investigation to get the reason for your Anaemia:
Iron Studies, vit.
B12, Folic Acid
Health Tips
keep watch for any change in antenatal ultrasound and consult with your gynaecologist to make clear about complications in your delivery.