Do I need to perform a pregnancy test after ingestion while changing Vines to Vibin Mini?

Hello. I have a question . I took 1 year of Vines tablets after a year I decided to increase the dose of the hormone and thus the tablets from Vines to Vibin Mini. In old tablets I missed placebo tablets and started taking yellow with Vibin Mini, this is due to the fact that I did not have menstruation but in 1 week of taking new tablets I did not think with my partner. Has the protection been maintained, or will it be necessary to do another test? I did today after a week of intercourse but I do not know if it's not too early. The second thing that I have such a swolid belly odkad began to take them, if it can be a side effect and pass?