Hello mummies and doctors. Pls i need advice, am 5weeks gone(my first baby) and am already getting the morning sickness, i barely eat and i select food alot, i only crave for something bitter cuz i always feel like throwing up and all i like is bitter Cola, but my friend said its not good cuz of the caffeine in it, pls is there any other thing i can take? Pls I need reply ASAP. Thanks