hi ... I am in 21st week of my pregnancy. I got my blood test done recently for the third time. my haemoglobin is drastically reducing. This time it was 7.90. my doctor has asked me to take iron injections. she said I'll have to take 8 shots like that till delivery. Is that the right thing to go for or should I wait for HB to shoot up. kindly suggest. I am in distress.