is common during first trimester of pregnancy
You have not mentioned your duration of pregnancy so I would like to know that.
Take small meals at frequent intervals. You can take tablet doxylamine
under doctor's prescription and guidance.
Body aches can be due to anemia and calcium deficiency
as this is your third pregnancy.
Get your Hb and calcium as well as Vit D3 levels done and take iron , calcium and Vit D3 supplements under doctor's guidance.
If you can not take dairy products increase the calcium supplements
in the form of tablet containing 1500 mgm per day.
Light antenatal exercises , yoga and light massage can be done.