D3 and fish oil during ttc and pg?

Janette • A 34 yr old SAHM to 4 beautiful kids, ages 6, 5, 3, 19 mths, police officer`s wife, destined to become a midwife :)
Hello, can anyone tell me if I should continue to take my vitamin D3 tabs and fish oil capsules during ttc and pregnancy? I have started taking maternity vitamins and folic acid. Not sure if there are negative effects or risks of the other two for baby? TIA.