Also, sorry you're struggling. It is really hard, but thankfully it'll get better. Do just talk to your doctor though.
I got signed off for 2 weeks as I couldn’t cope with the morning sickness and constant headaches which isn’t a great combination working in childcare x
It's not too early if you feel it's needed. I regret not doing it with my first pregnancy as weeks 7 and 8 were the worst for me