A medical checkup is recommended and iron supplements are usually prescribed. A regular waking and sleeping cycle is developed. Rapid growth usually takes place during the 5th month. The mother's heart beats faster and she can feel the baby frequently. It is important for her to get plenty of sleep and rest.
Leg cramps are common and the doctor often recommends calcium supplements.
A baby's growth and weight are likely to be affected if the mother has continued to smoke, take drugs or drink alcohol. The skin is covered with a fine, soft hair. Eyes begin to open and fingerprints can be seen. The mother will feel strong kicks now. It is common for her to experience pain in her back and down the side of her belly.