Research shows bombarding your baby with flavors is key

Your baby’s sense of taste first starts to develop when she’s in the womb (uterus). By the time you're nine weeks pregnant, your unborn baby’s mouth and tongue have formed and she has her first tiny tastebuds. 

While your baby is in the womb, she’s surrounded by amniotic fluid. She naturally breathes and swallows this fluid, as it helps with the development of her lungs and digestive system. The variety of flavours in the foods and drinks you have pass through your bloodstream and into the amniotic fluid. 

As your baby tastes the amniotic fluid she has her first experience of different flavours. She smells them too! If you’ve been eating sweet, savoury or spicy foods, your baby will taste them all. 

Once your baby's born, her new tastebuds are very sensitive. She can recognise sweet and sour tastes, but prefers sweet. This is one reason why she loves the taste of your breastmilk. It’s not until she’s around five months old that she’ll develop reactions to salty foods. 

The senses of taste and smell are linked, and your baby has a well-developed sense of smell at birth too. She can smell which way to turn to be fed. She can even smell the difference between your breastmilk and another mum’s.

https://www.babycentre.co.uk/a25012563/developmental-milestones-taste#ixzz4g877d0Q1

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