Tech Support - calendar not saving feb period data

2NJENN • I`m 40, looking to conceive baby # 2 who will be child # 9 in our blended family of yours mine ours & adopted kids.
I'm new to glow. I put in my January data when I joined a week or so ago. When I try to add my feb data it shows up while highlighting the pink area, I click add and save. When I exit the calendar the info is not updated. I've tried exiting the program ect... Not sure what to do?