<span style="color:#3B5998;"><b><a href="http://app.babychakra.com/article/3476">Dealing With Flat And Inverted Nipples</a></b></span>

Yes you can use

No won't harm but u will have wean off the nipple shield too.; Latch correctly first. When baby is sleepy out the nipple in mouth to start the habit.; <font color ="#3b5998"><b><a href="http://app.babychakra.com/article/1294">Your Guide To Latching And Breastfeeding Positions!</a></b></font> Read this.

No dear no harm ..you can use it.;