Period cycle is 22 days , 1st day of period is 12 july and leuprolide 3.75 is given on 30 july and period comes on 7 August, the period flow is very less On d2 ultrasound for fet transfer the endometrium is 8 but period flow is very less , on d3 ultrasound is again performed its 8 mm again and period stops then what can do now