* Heart beat present.
* Blood cells and vessels have formed.
* Pharynx, lower respiratory tract, esophagus, stomach, 1st half of the duodenum, liver, pancreas, and gallbladder there.
* Kidneys formed.
* Brain formed and brain waves detectable.
* Thyroid and adrenal glands present.
* Bones and muscles developed.
* Flat bones of skull developing.
* 2 layers of skin cells.
* Fingers, toes, ears, and nose forming.
* Baby has a blood type :)
* Making glycogen to store in the liver.
* Secreting bile.
* Lungs, bronchi, and trachea formed.
* Fetal respirations are viewable by ultrasound.
* Vocal cords present.
* Kidneys functioning and excreting urine.
* Nerve fibers present.
* He/she can wiggle his/her toes.
* He/she can see.
* Taste buds present.
* Secreting thyroxine and adrenal cortex producing hormones.
* Female/male genitalia fully differentiated.
* Lanugo, fingernails, and toenails appearing.
* Baby has meconium and his/her anus is open.
* GI tract secreting enzymes.
* Bronnchi and terminal bronchioles enlarging and aveoli forming.
* Elastic fibers are present in lungs.
* Quickening has begun.
* Cerebral lobes delineated and the cerebellum assumes some prominence.
* Female: Oogenesis started and vagina open.
* Male: Testes in place for descent.
* Arm and leg movements seen on ultrasound and joint cavities appear.
* Skin thickening and epidermal ridges present.
* Swallowing amniotic fluid and gastric emptying and peristalsis occur.
* Enamel and dentine in the teeth and the colon looks like a colon.
* Bronchi, terminal bronchi, and aveoli have been enlarging.
* Lecithin is present.
* Nostrils have reopened and respiratory movements have begun.
* Quickening may have occured.
* Baby knows its flavors and reacts to temperature changes.
* Baby might be dreaming.
* Brain is mostly formed and cord myelination has begun.
* The spinal cord ends at the 1st sacral vertebra.
* Sternum, nose, and ears ossifying.
* Insulin is produced.
* Lanugo covers baby.
* Eyebrows, eyelashes, and scalp hair have begun to grow.
* Vernix caseosa covers baby.
* Sebaceous glands have appeared.
* Sweat glands formed.
