muscle spasms

Jazmine • 22 years old. I'm in a 8 year relationship. This is my 1st child Cody Lee Richardson born on 3/3/2017 👶🏼💙 ♓️
I'm 15 weeks and 3 days but ever since last week I've been getting muscle spasms in my lower back area almost everyday and it get to the point where I can barely walk is this normal? I'm a FTM so I don't know but if it isn't then I'll tell my doctor about when I go for my appointment