At least once in the first three months of pregnancy , the second health check-up should be done once in three months and at least twice in the last three months. This means that a normal pregnant mother should be tested at least 4 times. If anyone wants or needs, you can go to the health center more often and get a health check-up. These health particles , blood pressure or more or less particles , whether the pregnant woman is gaining weight properly , what is the condition of the fetus, etc. All these health 1 tests are done free of cost at the health center.