Low serum ferritin in pregnant women requires iron and vitamin C. Low serum ferritin in pregnant women may lead to iron deficiency anemia. And iron deficiency anemia must be supplemented with iron along with vitamin C tablets to help iron absorption. Also need to consume more iron-rich food. 1. Low serum ferritin in pregnant women is a normal thing. It is necessary to add vitamin c tablets along with iron supplementation to help iron absorption. 2. Low serum ferritin in pregnant women may be a result of iron deficiency anemia. You need to supplement iron-rich foods and vitamin c-rich foods, such as pork liver, shrimp, eels, animal blood products, tomatoes, kiwi, etc. 3. Low serum body protein in pregnant women needs to be treated with medication under the guidance of a doctor. Regular maternity checkups and regular review.