A 24-year-old primigravida from rural Maharashtra presents to the primary health centre at 12 weeks of gestation for her first antenatal check-up. She has no complaints and denies any vaginal bleeding or discharge. On examination, her blood pressure is 110/70 mmHg, weight 58 kg, and height 155 cm. Urine dipstick is normal. The health worker counsels her on the components of the antenatal care package as per NRHM guidelines. Which of the following is NOT a component of the basic antenatal care package that should be provided at the primary health centre level during the first trimester?