Yep I can defo second the fact that Atkins plays with your hormones... I have the implant and had no period for 9 months, started Atkins and had one for two months!! So doc put me on cerazette as well as implant... All good no period for 3 months then out of the blue a period last week!! It's away now but I hate how unpredictable it can be. Gonna go back on normal pill once my bp is low enough.