Hey I need help I've been checking my body temperature and it keeps changing every day like today it was all the way up at 97.9 witch my this <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> it's the highest it's been and by my app I'm in my fertile days but I'm having a hard time telling if I'm ovulating or not can some one please help me