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6 Months (23 - 27 weeks)

Baby
Over a foot long, your baby weighs in at almost two pounds now. He is already practicing walking by pedaling his feet and kicking you, sometimes right in the cervix. Ouch! Your baby has developed a strong grip and he can open and close his eyes in reaction to light. His vocal cords are fully functional, although he won’t be truly practicing until he sees his first glimpse of daylight. Hiccups are common for him as your little one practices swallowing, and you may feel these throughout the day. A baby born now can survive with intensive care.

Mom
Can you believe that your six months along? Your uterus is now 1 ½ - 2 ½ inches above your belly button and is the size of a basketball. In fact, people may say that you look like you swallowed a basketball. Now you know why. You are feeling the baby kick more, since he is getting stronger and he still has plenty of room in there to play some soccer. Your abdomen is aching and itchy as the ligaments continue to stretch. Common physical symptoms include constipation, heart burn, bloating, indigestion, headaches, dizziness, nasal congestion, bleeding gums, increased appetite, leg cramps, swelling, varicose veins, hemorrhoids, itchy stomach, protruding naval, backache, skin changes, fuller breasts, carpal tunnel, tingly hands and feet, and clumsiness. You may start getting bored and impatient with this pregnancy thing, as that seems to be what defines you right now. Anxiety about the baby and about how life will be with baby is also common as reality sets in. Calm your anxiety by focusing on the nursery, taking a hospital or birth center tour, and registering for a birth class.

You may also be getting anxious about weight gain now, but keep in mind that you should gain 25-35 pounds throughout your pregnancy. Much of the weight gained during pregnancy goes to your baby and his support system, including the placenta, amniotic fluid, and the extra blood coursing through your veins.
If you do decide to breastfeed, the extra weight melts right off for a lot of women. If not, regular exercise and good eating habits will bring you back down within nine months after delivery. There are things you can do now to minimize your weight gain – mainly eating healthy foods, drinking plenty of water, and exercising regularly.

Source:  http://smartmomma.com/articles.htm