Ladies, I need some help/advice. A month ago I switched my birth control method from the patch to the pill. I didn't like th  thought of the patch for the summer and decided to switch. My doctor told me the date to switch and I did it the way she told me, I was supposed to get my period on the 29th or 30th... and it ended up being 11 days late (took a pregnancy test at 5 days late and it came up negative) and ended up showing up on the 9th... now, my periods using are a normal flow and last 3 days.... this period however has been a week and still counting and very very light flow... If I didn't want to I didn't have to use pads, but did just in case. For the first little bit the blood was the brown old stuff you get a couple days before it actually fully starts and it's just gone to normal red blood... is this normal with a birth control change????