I feel embarassed asking this question..
Here it goes lol
i never used to suffer from irregular periods until I become sexualy active im still a virgin but iv had oral sex , anal sex etc

23rd sept o5 my period was 29 days
23rd october - 30 days cycle
21st nov - 29 days cycle
19 dec - 28 days cycle***

were I have indicated the *** that were im very curious
i had unprotective anal sex with my bf on the 9th 10th 11th dec when we decided to go away for the weekend. This was on approx 18 - 20 days of my menstural cycle.
I did have my period..Which was on the 19th dec but it seemed different
im still waiting for my period 2 come this month & im 2 days late im soo scared & worried that something is wrong with me what if the period that I had in dec was not a period but was implantation should I be worried or am I being paranoid please help.