Well with both my pregnancies, my tummy was HUGE. Everyone thought I had multiples. But no, just one baby in me.
For my 1st pregnancy, I gained 25 pounds.
My Doc is real strict about subsequent pregnancy weight gain. Per my starting weight for my 2nd pregnancy, he said I could only gain 15 pounds. I did not diet or anything or restrict myself. But by some miracle, I did indeed only gain 15 pounds. But he also said, NO juice or sweets. But I didn't struggle with food cravings for sweets, anyway.
I had a hard time walking and doing so many things too. Because my tummy was so huge and I am a petite person. I was a mountain in front.
And the fatigue too.
But my daughter was 3 at the time of my 2nd pregnancy. So I merely explained to her that Mommy has to take care of my tummy and her little brother. We would nap together. As I went up stairs, she would be behind me pushing me on my behind so I could CLIMB the stairs in our home. She was real helpful, in her own way.
Just REST.
Just do nothing sometimes.
Have your kids help and your Hubby. They are all old enough to do so.
Don't over exert yourself, lest you strain yourself etc.
Drink lots of water, to help with contractions.
Eat healthily.
Graze throughout the day... so you do not get TOO hungry. Graze.