Is It Safe To Skip The Sugar Pills?

I'm going on holidays in 2.5 weeks and it turns out that I will have my period the week that I am away. I have been on the pill last Christmas and have had my period each month. My mum said that I can just skip them and that a lot of people do it but I am a bit scared to skip the sugar pills although I don't want to have my period as it is a roadtrip and it will just suck having my period on holiday. So my question is; is it safe for me to skip the sugar pills? 
Also if I do will it affect my period in any way for the following month? 
Please help. 

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