Vigorous activity shows distinct individuality. Baby can kick, turn feet, curl and fan toes, make a fist, move thumbs, bend wrists, turn head, open mouth and press lips tightly together. Breathing is practiced. Face is prettier, facial expressions resembling parents. Movements are graceful.
Sex organs are apparent.
Mother senses movements. Baby responds to sounds in frequencies too high or low for adults to hear. Eyelash fringe appears. Weight is about 640g. Babies born at this age have survived.