I'm hoping to hear from women who have had similar experiences to this, and what their outcome was. Apologies in advance for the massive post.
My baby girl (my second) is 4.5 months old. Two a half weeks ago, DH and I dispensed with the condoms and decided to just let what happens happen. Ten days after the first time we BD'd without protection, I was taking my usual OPK & pregnancy test combination (trying to keep track of things) when I was shocked to see a light, but definite second line on the pregnancy test (an eBay cheapie). I took three more tests, and all showed the same result. I went out that day and bought a pack of two ClearBlue digital tests. I took the first the next morning, and got 'not pregnant'. I also used another of my other pregnancy tests and got a faint line again. The next morning I got a faint line on two cheap pregnancy tests. The next morning (yesterday) I used two more of my cheap tests, got two more faint lines, and tried the CB test again. Still 'not pregnant'. I realised I needed to buy folic acid tablets if we weren't trying to avoid pregnancy, and so I picked up some ForeLife digital tests at the same time. Tried a mid-afternoon sample with one and another cheapie, and got a negative result on both. Missed my first morning pee this morning because I slept in and didn't want DH to find out that I was obsessing, but tried a cheapie with the second pee and got a negative. So it's now five days since that first postive test with the faint, but distinct line. I know it's not an evap, because I've been checking them all within a few minutes. It's not an hallucination either - I don't have to squint or hold it at just the right angle to see it.
To sum up:
Day 1: definite but faint lines on four cheap pregnancy tests
Day 2: 'not pregnant' on CB digital, definite but faint line on on cheap pregnancy test
Day 3: faint line on two cheap pregnancy tests
Day 4: 'not pregnant' on CB digital, definite but faint lines on two cheap pregnancy tests. Mid-afternoon test was negative for ForeLife digital and cheap pregnancy test
Day 5: second pee of the morning negative on cheap pregnancy test
Some more background information:
When DD2 was two months old, and after my postpartum bleeding had stopped, I had bleeding very similar to a period. In fact, I thought it was a period, but I haven't bled again since.
I am exclusively breast-feeding DD2 and haven't noticed any changes in supply or her reaction to my milk.
After DD1 was born, my cycles did not resume until she was 11 months old, and I fell pregnant again after the first period.
So, help! I'm going crazy trying to figure if I'm pregnant, if I'm getting false positives, if (God forbid) I'm having a chemical pregnancy, etc.