Intra Uterine Growth Retardation: 1 tablet three times a day at least two months. Dose to be reduced if symptoms improve. Threatened abortion: 1 tablet three times daily until symptoms disappear. Habitual abortion: 1-2 tablets daily as soon as pregnancy is diagnosed. The administration should be continued for at least one month after the end of the critical period. Threatened premature delivery: Dosage must be determined individually. High dosages (up to 40 mg daily) have been used.
In case of a missed dose, it should be taken as soon as the patient remembers & she should continue the regular dosing schedule. A double dose is not recommended.