Suggest Side Effects Of Ovral

hi, i am 23 year old, now i am in a very sad situation. i got married 6 months back, after marriage my periods became irregular. before it had an average days of 27 to 28 days. now for one month it went upto 45 days, then for 35 days like so. last month a doctor prescribed OVRAL*L for the next 3 months. will there be any side effects for that pill? will i get pregnant after that? pls do answer me..me and my husband loves to have a KID as fast as possible.....