Mar 19, 2009 #1 Y yessss New member Joined Feb 21, 2009 Messages 3 Reaction score 0 Points 1 Does plan b mess up period cycle? My girlfriend took plan b last month. She was suppose to get her period this week. Does plan b mess up your period cycle for a while?
Does plan b mess up period cycle? My girlfriend took plan b last month. She was suppose to get her period this week. Does plan b mess up your period cycle for a while?