really low coverline??

Thea • Married. Baby U 10.2018 mmc 👼 Eleanor Jane: born sleeping 1.16.20 at 20w5d gestation 👼 CMV awareness 🎗️ Infertility and PCOS warrior 💕

can someone tell me why the coverline is so low on this app but on my others its at 97.7... doesnt seem right to me. what do you think?