Plan B weight limit?

I’m coming on here because I am quite worried for myself and need a little help on what I should next. This afternoon my boyfriend and I had sex and we always use a condom since I am not on birth control anymore and ejaculation did occur in the condom or so we thought bc when he had pulled out to look at the condom it seemed like it was ripped and at that moment we knew we were in trouble. We went to Walgreens and bought plan b right away but I was told to by 2 because I weight 168 exactly but now I’m worried because of reading online and it saying it’s less effective for people who weight more than 155 lbs..

Also to note something is I’m 6 days away from my period and I’m just worried that I still have a chance of getting pregnant and I’m seeing there’s another emergency contraceptive for people who weigh more than 155 but you have to be prescribed to it.

Will I be okay and should I worry? Or go to my gynecologist and try to get this contraceptive