Why so many appointments??

Se

So I'm supposed to go to a prenatal appointment every 4 weeks for now. But today at 14 weeks I went and they just weighed me, took blood pressure and listened to the heartbeat. I feel like that appointment was kind of pointless. What is everyone else's experience with these early appointments? What is normally done at them? What do they usually look for? Does everyone have appointments every four weeks? I feel like the midwife wanted me to ask a list of questions but this community has already answered almost everything for me. I'm going back at 18 weeks for probably the exact same thing and then I have an ultrasound at 20 weeks.