Need Some Help Plz😞

I had 6 losses 4 mc and 2 ectopic...! my last one was in Octubre. Tested At 9 Dpo and Negative but i been getting faint lines since 10dpo today is 12 Dpo i took a test and the line is still faint.. My Question is isn’t my test should be darker.???

First Test 11 dpo

Second test 12 dpo