Girls, could you please tell me what tests I had done before going on …

Girls, could you please tell me what tests I had done before going on maternity leave? What should my family doctor write besides an ECG? My gynecologist gave me a referral to him, said he knows what to do (he'll write something), but he says a sheet is needed. In general, who has been in this situation, please write, I don't want to go back and forth.