faint positive at 4 weeks?

SKD • Lost my baby girl at 20 weeks February 2015. Rainbow baby boy born January 20, 2016🌈👶🏼. Early MC May 4, 2017. Second Rainbow baby boy born March 18, 2018!🌈👶🏼 💗Shayla Rose👼🏼💗 💙Royal Holden👶🏼💙 Lucas Stephen 👶🏻💙
Hey, so I got my first BFP the day AF was due.  I took another one this morning and it doesn't look any darker.  With my past two pregnancies, the line got darker after one day😕.  I also spotted the evening after I got my BFP into the following day.  I got blood work done today and am following up with more on Monday.  I just need opinions/advice to give me closure/ peace.