How many pills of DHA a day for pregnant women need to depend on the dosage of the goods, generally pregnant women can consume 300mg DHA a day, under the guidance of the doctor, according to the dosage of the goods to decide how many pills to take. DHA is an essential nutrient for the development of fetal brain and visual function. During pregnancy, with the growth and development of the fetus, it makes the demand for DHA gradually increase, pregnant women should supplement DHA in time. the daily intake of DHA for pregnant women is about 300mg, under the guidance of the doctor, according to the dosage of the use of goods to take. In addition to DHA supplementation, the diet of pregnant women should ensure that the variety of food types and nutritional balance to ensure that pregnant women intake of sufficiently comprehensive nutrition, the fetus can grow normally. During pregnancy, you should also undergo regular checkups to observe the various indicators of fetal development, and deal with any abnormalities in a timely manner.