I would think there are more nutrients that you should be making sure you are getting which are involved with the correct absorbtion of calcium, D3,magnesium, zinc, copper, B vitamins, folate even natural salts, these & more are involved & i wonder if your doctor should also put you on a multivitamin, this is the most important time for nutrition for u & bub. Don't forget to hydrate correctly & interesting reading is vital functions of salt in the body, do a web search for this.