How do birth control pills work?
Answers: No it generally takes 10 days in need pills to ovulate I read somewhere. so you don't ovulate over the break; they calculated that it could be 7 days without ovulation and later you start again. Wouldn't be very potent if you did ovulate! But maybe some women do and that's how they obtain pregnant (the 0.1% or whatever is is).
Yes if you missed 2 or 3 pills up to that time or after the placebos then you unambiguously could ovulate which is why it's important to whip all the pills. Also surrounded by the pill info packet it warns you that you are at high risk of pregnancy if you miss pills at the beginning or stop.
If you do forget them then the instructions are different depending on the pills, in general you have to hang on to taking them and catch up on the ones you missed, and use condoms for 7-14 days. Or if you realised you missed them past you start taking the placebos, you could just skip the placebo week and start the trial pack thus only have a 3 day break. If this have happened and isn't a hypothetical later you should check your pill info packet and speak to your doctor/pharmacist to see what they recommend.
Ok, so there are 3 weeks of "real" birth control pills and after 1 week of "placebo". A placebo is, as you said, basically a sugar pill, which medium, it does the same entry as a spoonful of sugar or a glass of sea, would do for you: nothing. You really don't call for to take any pills for that "placebo" week (the week you start your period). Some birth control pill packages solitary give you 3 weeks of pills anyway. The solitary reason to hold the placebo pills is so that you are consistently taking something and don't forget to start the new "real" pills because you haven't taken any pills for a week.
It solely matters if you skip a "real" pill. Don't verbs about skipping the placebo pills.
If you're worried, ask your doctor or gyno or dance to planned parenthood and own them explain it to you.