Normal to go days without talking?

Is it ok to go days without talking to your partner if so how long is to long without even checking up on them? Idk if I am overreacting for the simple fact I haven't heard from bf in 2 days and I'm pretty sure its because I haven't texted him first but phone works both ways why do I always have to text first in order for us to talk. I'm 30 weeks pregnant with so many complications and he doesn't he text to see how I am doing or feeling today and I'm not texting him just let me know he doesn't care. It's only suspicious because he was never this way before and yet I still see him posting on Instagram but hasn't made any contact with me.