Sumber:

• https://www.alodokter.com/deretan-makanan-yang-mengandung-vitamin-b12-ini-dari-bahan-alami
• https://www.alodokter.com/ini-daftar-makanan-yang-mengandung-asam-folat-dan-manfaatnya-bagi-tubuh.html
• http://americanpregnancy.org/pregnancy-health/vitamin-b-pregnancy/
• https://www.ucsfhealth.org/education/anemia_and_pregnancy/
• https://www.verywellfamily.com/iron-rich-foods-to-battle-anemia-in-pregnancy-2757517
• https://www.webmd.com/baby/guide/anemia-in-pregnancy#1
• https://www.webmd.com/baby/guide/anemia-in-pregnancy#2
• https://www.webmd.com/baby/guide/anemia-in-pregnancy#3
• https://www.webmd.com/diabetes/guide/glycated-hemoglobin-test-hba1c