Correct Answer: Orthopaedist

Solution : The correct choice is the third option .

The correct term will be:

Orthopaedist: An orthopedist (also spelt orthopaedist) is a medical specialist focusing on injuries and diseases affecting your musculoskeletal system (bones, muscles, joints, and soft tissues).

The meanings of the other terms are:

Obstetrician: An obstetrician provides care during pregnancy and delivers babies.

Gynaecologist: A gynaecologist is a doctor who studies and treats the medical conditions and diseases of women, especially those connected with sexua l reproduction.

Physiotherapist: Physiotherapists help people affected by injury, illness, or disability through movement and exercise, manual therapy, education, and advice.

Therefore, the doctor who treats the bone problems will be an orthopaedist.