Most single pregnancies grow at 1 centimeter per week of gestation when measuring from the pubic bone to the top or fundus of the uterus. If the numbers are close then not to worry, if off significantly, could be more than one fetus, could be your due date is wrong, could mean you are having a larger than normal fetus (can indicate gestational Diabetes), or can indicate too much amnionic fluid, or other more rare conditions.
you can have a small belly during pregnancy that might mean you will have a small baby
From the top of your pubic bone to the top of your bump is about the same in centimeters as the number of weeks of pregnancy, after 20 weeks. This will give your doctor/midwife a good indication of how well the baby is growing.
It means that the baby is facing the mothers pelvis during pregnancy or labor.
nothing
spoting can mean a problem with the fetus during pregnancy
You mean vitamins? There are prenatal vitamins you should take during pregnancy. Speak to your doctor.
No it doesn't necessarily mean you will miscarry but all bleeding during pregnancy needs to be evaluated by a doctor.
It does mean you have less of a chance of getting sick during pregnancy but there is still a chance it will be different for you. It can also be different for the same person but different pregnancies.
I believe this is when the mucous plug in the cervix is lossened
Do you mean can you get pregnant during your period? The answer to that is yes, you can. Plenty of unsuspecting people have before
it depends upon which definition of poor you mean; do you mean it as a measure of wealth or a measure of quality.
It doesn't mean anything, it's very common for pregnancy carrying both male and female babies.