Can your kids tell your pregnant?

Chontey • Mom to Juellz, Micah, Marvin Jr. & Ta’mar 💗🙏🏽😘
I am late on my period. And I have 2 boys 3 & 6. Today my 6 year old says mommy let me tell you a secret, I say sure juellz he says "mommy were gunna have baby it's gunna be a girl" and my youngest Micah starts smiling saying yea yea mommy. I never spoke to him about me possibly being pregnant. (I am 6 days late) I just looked at him and said excuse me jokingly. He goes "I know mommy" it may just be coincidence but I feel sometimes kids know. What do you guys think? Did your kids ever do that or give you a sign that you are