I was on Loestrin 24 for 2 years, switched to Apri due to spotting for a year and a half, and recently restarted the Loestrin. I had a normal period the first month on the Loestrin, and took the next two packs simultaneously to miss my period for a vacation. After the 3rd pack, my period was very light, much lighter than usual, and much lighter than it was when I was on Loestrin the first time. I take my pill at the exact same time every day, by an alarm clock. Should I be worried about being pregnant?