The baby is about 12 inches long. If a sound is especially loud or startling, she may jump in reaction to it. Oil and sweat glands are functioning. The pre born child uses the four senses of vision, hearing, taste and touch. Research has documented that she can now recognize her mother's voice.
Antibodies increasingly build up.
The baby swallows a gallon of amniotic fluid per day, more if it is sweetened. She often hiccups. She has been urinating for several months. Toward the end of this month, the baby is ready for birth. The average duration of pregnancy is 280 days from the first day of the mother's last menstrual period, but this varies.