Someone give me answers 😩 Positive line test but “no” on digital

✨UPDATE✨ I’m adding pictures of the first two tests I took yesterday, and then two I took today. There is a VERY faint line on the line one that’s hard to tell in the picture but the digital says no? I mean I have three kids already, I’ve took plenty of tests in my time but I have never had this happen. I’m so confused 🤦🏻‍♀️ Could I be experiencing a chemical pregnancy or a ectopic? Maybe that would explain why my lines are very faint on cycle day 37? I’ve been very tired lately, sore breast/nipples so I’ve had like pregnancy symptoms before I tested but today I’m very crampy and hurting like a little more intense than just period cramps. Is it all in my head or could this be happening? Again, according to my last period I’m 5 weeks today..

My husband and I have three girls. I’ve always said I wanted four kids but he was stuck on three. (I love being pregnant and I love being a mama so I’m the type of person I don’t ever think I will feel “done” having kids because the thought of it just grieves my heart) Well, I was finally feeling okay about it and was just very content with our three girls and soaking up their childhood. We have a 5, 3, and 1.5 year old. I was randomly driving down the road today and realized “I haven’t had a period in a while” so I check my app. I’m two days late. So I immediately start panicking and also realizing I’ve had some breast and nipple pain/tenderness that I never thought about too deep I just figured it was hormonal. So I drive home as fast and as safe as I possibly could all while freaking out on the inside (mind you I can’t show this emotion in front of my kids). I get home and take a test, I couldn’t even look at it so I had my husband do it. As soon as he looks at it I can tell from his face it’s positive. After our panicking, emotional breakdown for the unknown, and shock I start calculating down dates. According to my last period, I got pregnant on May 14th(not my predicted ovulation day) and I am 4 weeks and 6 days pregnant. But it just doesn’t make sense to me because the positive I got on two tests is definitely there but it’s SO faint. I feel like I should be way darker? Like what in the world is going on? For me to “supposedly” be almost 5 weeks, wouldn’t it be way darker? I’m so impatient and again freaking out so I need some answers! Anyone else have this experience? What’s going on? Today I’m on cycle day 36 if that helps?