Recently Answered Questions on Gestakind

During anomolyscan problem was noticed. As per gynaecologist advice cervix tightened by doing the minor operation ( stitches). Advised to continue gestakind SR 40 mg . 1/2 (10 am) -. 1/2 (10 pm). Whereas other gynaecologist ( alternate) has given another tablet whose name does not include SR.but content same isuxosprine hydrochloride 10 mg. 1 (10 am ) - 1( 10 pm) 1. Are both tablets same? 2. SR has got any meaning? 3. Y the difference in dosage? Any other advice, please