Treatment

For travel to canada for treatment you can apply for a visitor visa 

If an applicant is seeking medical treatment in Canada, the applicant should submit proof from the treating physician indicating that arrangements have been made for the treatment. The treating physician should be affiliated with a Canadian institution that can provide the services required by the applicant. As a temporary resident, the applicant is not eligible for any provincial health coverage. Since the applicant has already been accepted for medical treatment in Canada, they are admissible only as a temporary resident seeking medical treatment.

In addition, a foreign national who is seeking to enter and remain in Canada on a temporary basis with the intention of receiving medical treatment in the province of Quebec must hold a Quebec Acceptance Certificate (CAQ) if the laws of that province require the foreign national to hold that document

You can check  your eligibility for eTA Canada Visa and apply for eTA Canada Visa 72 hours in advance of your flight.

Canada's citizenship law has, since 1947, generally conferred Canadian citizenship at birth to anyone born in Canada, regardless of the citizenship or immigration status of the parents. The only exception is for children born in Canada to representatives of foreign governments or international organizations. The Canadian government has considered limiting jus soli citizenship, and as of 2020 continues to debate the issue but has not yet changed this part of Canadian law.

Some expectant Chinese parents who have already had one child travel to Canada to give birth in order to circumvent China's one-child policy, additionally acquiring Canadian citizenship for the child and applying for a passport before returning to China.

A Québec birth certificate entitles a student enrolled in that province to pay university tuition at the lower in-province rate; on average this was $3760/year in 2021.