Long time
Many women do not have sickness. Once you get the sickness in one pregnancy, you are likely to get in next pregnancy. It will normally go away after three months of pregnancy.
Yes, many women have no symptoms in early pregnancy.
Legally speaking, it depends entirely on where you live, which you haven't specified.
9 months
Every woman is different and every pregnancy is different. Most women have a "baby bump" around the 6 months point. However some women show as early as 3 months while others never show at all.
You would need a scan to know with any accuracy. Many women have their stomach showing through their clothes which is nothing to do with pregnancy.
If we are talking about your mom it dosent matter because has a lot of unprotected sex. She is a hooooooo!!!
nine
It depends on the woman. For most women morning sickness will stop around the 12th-14th week of pregnancy. For other they may experience it a shorter or longer time. Some women have it thought their whole pregnancy.
4 months
Yes, many women face bladder problems during pregnancy, childbirth and the months that follow because your bladder is just below your uterus, which is expanding to hold your growing baby.
The pregnancy itself does not start showing until around 3 months, but many women have constipation and/or gas which bloats the tummy and makes you look bigger.