When an individual has a pinched nerve in the lower back, for example, symptoms of pain will usually radiate down the leg. A pinched nerve in the neck can cause pain to travel from the neck, through the shoulders, down the arms and into the hands. Muscle spasms in the back commonly coincide with pinched nerves and can cause weakness in the arms or legs. The two most common pinched nerves in the lower back are L5 (lumbar 5) and S1 (sacral 1).
Most pregnant women start to get the queasies when they're about 6 weeks along, but some can experience morning sickness (which unfortunately can occur morning, noon and night) earlier. It will most likely subside as you enter the second trimester.
For second and subsequent pregnancies, women often start showing sooner than during the first pregnancy. There are also some women do not look noticeably pregnant until they are into their third trimester. Early in pregnancy, you may be more vigilant in looking for changes. You may think you look pregnant more at the end of the day when you've eaten dinner and your muscles are more relaxed. You may have bloating or constipation that you didn't have before pregnancy that contributes to this. However, your uterus won't have expanded above your pelvis enough to be the cause of the bump until the second trimester. Changes in the first trimester often do not mean you need maternity clothes just yet.