– https://www.babycenter.com/pregnancy/your-body/metallic-taste-during-pregnancy_20004810
– https://www.healthline.com/health/pregnancy/metallic-taste-in-mouth
– https://www.huggies.com.sg/en-sg/parenting-center/pregnancy/metallic-taste-during-early-stages-pregnancy
– https://www.whattoexpect.com/pregnancy/symptoms-and-solutions/metallic-taste.aspx