What does it mean to refuse something? Do you know of any refusal strategies?

To refuse means to say no to something. Some refusal strategies include changing the subject, lying, or just saying no.

Explanation:

a mother eats twice as much to support her growing fetus

limiting sugar intake in a mother with gestational diabetes, switching from diving to swimming.   depending on whether the patient is normal weight, over weight or gain will differ depending on that.