HappyLittleCloud and of course discuss with your doctor that SDS.
ODP can be cancerogenic as it is mixture of hydrocarbons. Read that SDS too and bring up to the doctor.
If the doctor says stop listen, but you have an argument that painting keeps you calm and removes any anxiety. Pregnancy may bring a lot of thoughts up and it is important to stay in your good place.
Paint using gloves/apron.
Alternative: Gouache. It can give some of the same behaviors that oils would do, but it is water based paint. Easy to clean up.
Acrylics - maybe too much of change and can make you more nervous, but if you are willing to try go for it with 5-7 basic colors. (red, yellow, blue, white, purple, green, brown, black).