Wyley Greyson Holliman

10 - 12 weeks

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fetus12weeks.jpg

This is what your fetus and placenta looks like at 12 weeks.

12weeksfetus.jpg

Another pic of a 12 week fetus.

12weekfetus.jpg

And this is the actual size in comparison to an average palm.

Features of your baby:

* Your baby is approximately 6 - 9cm (2 - 4inch) in length. He/she weighs about 19g.

Circulatory System:
* Normal heart rate: 120 - 160 bpm. Otherwise, fully functioning.
* The fetal liver was enlarged from forming blood cells from the 7th week until the 9th week.
* Stem cells seed the bone marrow, thymus, spleen, and lymph nodes from the 8th week until the 11th week.
* Blood type was determined by the 6th week.
 
Gastrointestinal System:
* The midgut was projecting into the umbilical cord between weeks 5 and 10.
* Since week 9, your baby has been making glycogen to store in the liver.
* Bile is secreted.
 
Respiratory System:
* Lung bud, bronchi, trachea and larynx formation has been going on since the 4th week and will continue until the 17th week.
* Fetal respirations may be viewable on ultrasound possibly by week 11.
* Vocal cords appear at week 12.
 
Renal System:
* The kindeys began to function in the 9th week. Urine is excreted into the amniotic fluid and adds to its volume.
 
Neurological System:
* Baby has nerve fibers gained in the 8th week and (by weeks 11 - 12) has respiratory movement.
* Baby Holliman can wiggle his/her toes and fingers.
* He/she can also change position, do somersaults, and suck his/her thumb.
* Your baby can see! Rods and cones are present in the retina from week 7.
* Taste buds barely present.
 
Endocrine System:
* Thyroxine secretion began in week 8.
* The adrenal cotex is now producing hormones.
 
Reproductive System:
* Female/male genitalia is distinguishable and fully differentiated.
* If your baby is a boy, he has been making testosterone since the 7th week.
 
Musculoskeletal System:
* Nothing new really. Continuing ossification and joint formation.
 
Integumentary System:
* At 12 weeks, Telooola/Tellulah will have lanugo
* Fingernails and toenails are beginning to form.

Last We Checked:

* 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.