Chance of success with faint positive 5DP5DT

After 4 years of infertility and 3 rounds of IVF, this is the first time I’m seeing any kind of line progression. I can see that my tests clearly have faint positives, but I am unsure of the actual success rate of ongoing pregnancy and live birth when you get an early faint positive after embryo transfer. I know a lot can happen and change over the next couple of days weeks and months. Does anyone happen to know? I want to feel excited but can’t wrap my head around this actually working. Seeing the faint positive has been the happiest moment of my life so far though 💕

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Tests

So I had a blood test at the drs bc I keep getting positive tests when the blood test was negative what could this mean? Hubby says the tests are negative and said he can’t see anything. Negative image down below.

Am I pregnant?

I lightly spotted almost 5 days ago, which is not common for me before my period.
My period was supposed to come today. I should have tested in the morning but its 5:30pm.
Is there a second line??

Anyone have this happen before?

We were not trying to conceive, used protection and had sex on week 2 of my cycle (accidentally on my peak ovulation day). Week 3 we had Flu A. Week 4 my period did not come (it’s very regular). I tested and it was negative (2 different brands).
What should have been week 2 of my next cycle (now 6 weeks post last period), I had light red/ pink spotting for one day when I wiped. The following week, I tested again, still negative, but this time almost all the dye was in the negative space, which I’ve never seen happen before. The area where it shows one horizontal line for negative and a plus sign for positive, the horizontal line was super faded at the 3 minute mark, and the negative vertical line in the next window was VERY dark. Now I’m on week 8 of all this, period did not show up yesterday. Nothing in my life has changed (no additional stress, no other illness, no changes in diet or exercise, etc).

Has anyone gone through this and NOT been pregnant? I’m super nervous as we thought we were done having kids.

PS. I know I should go get a blood test, does anyone know if urgent care will do that? I’m past being convinced by a pee test.

Help pls

I'm 7 weeks pp. Not had sex or even done anything but my tests have come back positive. I wouldnt test but had symptoms of pregnancy so I tested. What does this mean? Google says it should have been negative at this stage unless its a new pregnancy or bits of placenta has been left behind. I had a c section so 🤷‍♀️

Is it normal to test positive still? (Wouldn't usually do one)

Not the best pic and clearer in person. Is this normal? I've not had any sex since having my LO but I've had strong cravings, sense of smell is strong and my hair still hasnt started to fall out. Im 7 weeks pp so 🤷‍♀️ I wouldnt normally bother testing but with those symptoms that I never really have its like whats going on. Cravings for something very specific too and can only get from KFC now 😩 so its annoying

Can baby mamas be friends?

My son has an older brother from his biodad. Biodad has never had contact with my son. One thing lead to another though and the other child's mother and I got in contact and are planning a meeting for the boys. Biodad has no idea any of this has happened. Biodad also hasnt had contact with the other child in about 2 years. Just thoughts, opinions, anyone been through something similar?
Edit-Thank you all! Have definitely been feeling somewhat weird about it because we never met before but now know it can be a good thing definitely helps. I can't wait for them to meet. My son has been asking for a brother and I can now happily tell him he has one. That just happens to be 13. Im sorry for yall that fight/have issues with the other baby mamas. Sadly some women rather be stuck on the men, when the kid is the one who really matters. They're the ones that end up getting hurt and missing out.