When i had my 7 week scan theywere both 6.5mm. i dont know if this is average / normal.
The average length of a Dog's gestation period (regardless of size or breed) is 9 weeks.
Singles or twins
2.7
At six weeks your uterus is approximately the size of a plum!
around the size of a grain of rice.
A white Bengal tiger is pregnant for 15 weeks then gives birth to her tiger cubs and the most common litter size is 2 cubs.
I am currently 15 weeks pregnant and I've gotten estimates for baby size at 17 weeks anywhere from 3.5 oz. to 9 oz. It really depends on the baby and the mother and the pregnancy itself. The baby at this point it rapidly growing and will double in size from 15 weeks to 17 weeks, so the range that is considered "normal" is rather large.
When a woman is approximately six weeks pregnant the baby is roughly a quarter of an inch long, much of which consists of its head. That's about the size of a lentil bean.
it is eating to much then it is growing very quick
normally a fetus is 5.6 cm on average
3in to 3 feet tall
Every pregnancy is different. Therefore, the size of a womens' belly while pregnant differs, by pregnancy and by women. Around nine weeks, some women might start showing.