Twins can be identical or fraternal (monozygotic or dizygotic). For identical twins, one sperm fertilizes an egg. The zygote divides into two identical embryos. For fraternal twins, two separate eggs are fertilized. They both implant on the uterine wall, forming two zygotes.
Usually not but it happens.
The pregnant Sim will have twins.
It Just Happens In The Women. It Is When 1 Egg Parts Into Two. That's Why They Are Identical Twins.
Yes, it happens to many pregnant women.
everything
Nothing bad happens.
Eventually they will give birth to a child.
Was pregnant with twins. She had Eddy and Nelson in October of 2010.
A lady who was pregnant and forgot half way through her sentence what she was saying. It happens to all pregnant women.
She is pregnant, but doesn't know if it's with twins yet though.
Apparently, all the states in the United States check pregnant women for HIV to protect their unborn children, so what happens in Canada.
The baby rips through the mothers belly