I'm 21 weeks and my first pregnancy and I didn't have any morning sickness either. The only got nausea when I took my prenatals. I think the only pregnancy symptom I had was sleepiness.
I am 36 weeks. Had zero morning sickness, vomiting etc. It is normal. Every woman and every pregnancy is different.
I had ZERO symptoms of being pregnant with my son. If I hadn't felt him move, watch my tummy grow, an see him in ultra sounds I would of sworn I wasn't pregnant. He is two now. Came out healthy and strong. Now his little sister is due any day now an I have been having bh like crazy, been sick, been sore, an so done being pregnanr lol my sons pregnancy spoiled me for sure. Even his labor story was quick an unusal for my first child.
I am 16 weeks. Never had any of those symptoms. Yay! Consider yourself as a lucky one.