I'm on cycle day 24 and have been having dull cramping for the last 2 weeks! I had sex on cycle day 7 and 8 using withdrawal technique. Not really sure how regular I am since I haven't been active in over a year.  I have just started using <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a>.  This is absolutely not normal. I'm not sure if I want to take a pt just yet. How likely would bfp be? I'm 41.