Hey
I'll try.
1st Photo : Great expression on the child, great moment
The top part isnt necessary, crop it to make it tight on the family. Lighting could be tweaked, the parents are underexposed a little, mother could use hairlights
2nd photo : Nice! is it sharp on the face? cant see at this size, looks sharp on the jeans...Again, a little underexposed.
3rd photo: not a bad photo, just the angle/positions/pose could be different, i think. This one doesnt do anything for me. Maybe the one where the husband kisses the bump is overdone...but for good reason, its effective to show the connection. I dont know, this area of photography isnt mine
4th photo: Both person are looking at different points...
5th photo: The selective colouring is not bad, but a miss, for me anyway. I didnt realize you did that until i pried my eyes away from her right shoulder (the brightest spot in the photo). Our eyes are generally drawn left to right, and to light spots. Whether realizing it or not....then after that, i saw the flower. So maybe ...move the flower to the left....and shine the flower instead with lights...?
Overall, i think you did a great job; I am just nitpicking
. These are sharp, has great poses or expression and great moments
cheers