What Causes a Persistent Metallic Taste in the Mouth During Early Pregnancy?
1. Introduction Experiencing a persistent, bitter, or metallic taste in the mouth during early pregnancy is a recognized clinical symptom known as dysgeusia. This sensory distortion is driven by the massive, rapid influx of reproductive hormones, specifically estrogen and human chorionic gonadotropin. These hormones cross the blood-brain barrier and directly alter the neurological pathways responsible … Read more