TTC Advice! Please! 💕

Bobbie
my partner and i have been ttc for almost a year now and something definitely isn't right this month.. sometimes i'm a week or two late but that's it, i'll feel some cramps (i'll stupidly take a test and get upset about a BFN!!) and then come on my period the next day...
this month i'm 4 weeks late, feeling nauseous, twinges and pains in my back and hips, slight stomach cramps, diarrhoea, small bloated belly and extremely sore boobs... part of me wants to know an answer but the other half wants to just wait it out as i can't stand looking at another bfn.. this is the second month i've been on Pregnacare Before Conception pills as well so hoping that's what has helped this time.. i just don't know what to do as i can't stand another bfn and that's what's stopping me from doing a test.. and i'm too anxious about asking my doctor for a blood test because i don't want to look silly if it's bfn again 😭 not sure what i'm looking for here, advice or whatever, i just needed to rant as don't want to let my partner down with a bfn again ! considering it's his birthday today too 😔