Because they are weightless. If the baby weighs 3kg (not counting the fluid) you take that times 9 and that is how much extra weight that is on her back, 27kg. It takes a body 2 year to recover from birth.
It's not a must but it is the exercise you can do up until birth and where you are weightless, so if you have backache and all that swimming is perfect with very little risk of injuries.
because their density increases or turns
No. It is often necessary for pregnant women (and women not pregnant0 to lie down for much more than five minutes. When they sleep for instance.
eat fats!!
Exercise can often put stress on the bones, weakening them and leading to easier fractures. However, exercising keeps the bone joints healthy by promoting the production of synovial fluid, which lubricates the cartilage within the joints.
Exercise burnout and overtraining syndrome
Exercise is the best way of losing weight that's why its important to exercise often
exercise burnout
Rabbits need exercise every day for half an hour.
FREQUENCY: How often you exercise INTENSITY: How hard you exercise TIME: How long you exercise TYPE: What types of exercise you choose
Twice a day.
No. Cardiovascular exercise, also known as aerobic exercise, causes you to breath more.
The hyena is pregnant for 90-110 days.
Exercise often. Stay on a diet when you don't exercise so you don't gain weight.