Hi 4th 5th and 6th months are safe provided there is no complications in your pregnancy.

Please read the above two articles

<span style="color:#3B5998;"><b><a href="http://app.babychakra.com/article/2483">Medical Reasons To Avoid Sex During Pregnancy</a></b></span>

<span style="color:#3B5998;"><b><a href="http://app.babychakra.com/article/5456">Is It Safe To Have Sex During The Third Trimester?</a></b></span>