Why do you think .......

Karin • Married to an amazing man 💕 mother to an amazing (almost) 2 year old girl, and expecting baby #2 April 7th 💕💕 ✝
I am just 100% curious on why you ladies think your babies come early? Are there medical reasons or did they just decide to come early? I'm getting super anxious because I'm seeing ladies have there babies at 35 weeks and I'm just curious on why you think that happens :)?