Hi, I go on holiday on the 10th August and my period was due on the 12th and I didn t want to be on my period while one holiday, so I went to the doctors yesterday (6th) and they gave me norethisterone tablets to delay my period, I was planning to start taking them on the 8th as the doctor told me you need to take them 3-4 days before your period is due, but I woke up this morning and my period had already started. My periods have recently been 7 days long which will mean I will be on my period on my holiday. Is there anything I can do about this? Am I able to still take the norethisterone tablets I was given to stop my period? Please help, thankyou.