A nurse in a prenatal clinic is attending to a group of clients. Which client’s weight gain should the nurse be concerned about?

A client with an 18kg (4 lb) weight gain in her first trimester.

A client with a 68 kg (15 lb) weight gain in her second trimester.

A client with a 13 kg (25 lb) weight gain in her third trimester.

A client with a 3.6 kg (8 lb) weight gain in her first trimester.