When is birth control effective

Question

So I went on birth control this month even though I would like to ttc but it's better to wait till my husband and I take out Trip to Italy to visit my parents this summer. 
So what you think! I had my period on the 31st of August and it ended on the 5th , then I went on birth control that Sunday the 6th and on Saturday the 12th we had 2 accidents on the same day (glow says fertil) ...am I protected by the birth control yet? My ovulation day is today the 15th.

Answer

Once you have taken the 1st pill you are protected, however no birth control method is 100% effective. If you're over a week late with your period take a pregnancy test, if its positive stop taking the birth control pills and see your OB. If its negative, also see your doctor as you shouldn't ever be that late while on the pill. (Unless you have the kind that's designed to give you 4 periods a year.)

When is birth control effective

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