Our 7 years old greyhound was recently diagnosed with osteosarcoma. We opted for surgery (amputation of left hind leg) and chemotherapy (carboplatin 6 cycles). The surgery was successful, and he's coping well on three legs.

Our concern is that my significant other is pregnant. Our oncologist has informed us that there is limited knowledge on the pharmacokinetics of carboplatin in dogs, and uncertainty regarding remaining active metabolites in for example saliva, urine and excrement.

I have not been able to find any (good) sources confirming pregnancy risk due to exposure of carboplatin, other than direct exposure from handling the drug, or if you are treated with carboplatin yourself. 

We live in a country where the number of veterinary oncologist can be counted on one hand, and thus have few options of consulting with another professional on how to handle this situation in a safe manner.

What we have done now, for the first cycle, is that I have moved to our cabin with the greyhound for one week post treatment, to avoid exposure and minimize risk.

We do understand that this topic is controversial. We have struggled a lot with the decision of whether to treat him or not. We humbly ask for your advice, and not to be judged.

The situation taken into consideration;
What advice would do you have for minimizing risk?
Does anyone know of any vets that we could contact for more information or advice? We are of course willing to pay for a consult over phone/video