Your baby resembles a tadpole more than a human, but is growing fast. The circulatory system is beginning to form, and the tiny heart will start to beat this week. Your baby is the size of a sesame seed. Read about your pregnancy at 5 weeks.
A wide variety of foods contain vitamin B6, including potatoes, bananas, beans, seeds, nuts, red meat, poultry, fish, eggs, spinach, and fortified cereals. Teen guys need 1.3 mg of vitamin B6 daily and teen girls need 1.2 mg.
To ensure you get enough B-12, select eggs and dairy products daily. For those who don't eat eggs or dairy, look for vitamin B-12 in fortified vegan cheese, yogurt, and non-dairy drinks; fortified cereals; fortified veggie burgers and faux meats; and nutritional yeast.