Milestones of Growth in the Unborn Child

Day 1 Sperm enters egg cell and conception has occurred. First cell divides into two, then four, then eight and so on.

Day 2-4 Baby passes through the fallopian tubes on the way to the uterus.

5-9 days The baby burrows into the uterine wall.

14 days Menstrual period is suppressed by child's hormone production

18 days Heart is forming and eyes start to develop.

20 days Brain, spinal cord and nervous system forming

24 days Heart starts beating.

28 days Muscles begin to develop along spine, arms and legs are budding.

30 days Brain now has human proportions, baby has own blood system.

35 days Facial features taking shape, pituitary glad forming in brain.

40 days Baby is about 1 inch long and has recognizable eyes, ears, nose, lips, tongue, arms, hands, fingers, knees, ankles and toes.

42 days Skeleton complete, brain functional, reflex responses apparent, penis forming in males.
43 days Brain waves can be recorded

45 days Spontaneous movements. Milk teeth buds appear

7 Weeks Lips sensitive to touch, ears obvious.

8 weeks Every organ present and child is obviously human, stomach produces digestive juices, liver forming blood cells, kidneys functional, taste buds forming. skeleton is beginning to change from cartilage to real bone.

8.5 weeks Fingerprints forming, eyelids and palms sensitive to touch.

9 weeks Fingers can bend, thumb sucking begins, fingernails forming.

10 weeks Entire body touch sensitive, child can make faces and swallow.

11 weeks Urinates, smiles.

12 weeks Vigorous activity, individual character traits apparent, many physical motions are obvious: jumping. kicking, making fist, turning head, opening mouth, etc.

13 weeks Baby's facial features more pronounced and resemble parents, vocal chords formed, sex organs apparent, wake and sleep cycle can be determined, baby may have hiccups.

4 months Child can grasp with hands, swim, turn somersaults, mother may feel movement, rapid growth as baby nears 24 oz or more, external events provoke response from baby.

5 months Mom can usually determine baby's sleep cycle, although external activities can startle baby awake and promote a flurry of activity, kicks and punches are obvious, baby response to external sounds.

6 months Fine hair covers eye brows and head, babies born at this stage can survive.

7 months Eyelids open and close as baby looks around, hands grip strongly, baby will respond to a parent's voice, all but the sense of smell is active.

8 months Weight has increased to over 2 lbs. and womb is becoming cramped. Mother experiencing trouble breathing as uterus reaches the full extent of the cavity.

9 months Baby nears delivery. At 255-280 days after conception, the child triggers labor and is born.

These milestones have been documented by scientific research. Slight variations my exist and future research may show that these milestones actually occur earlier than indicated here.

Contact Information:
Kathy Barr, CCD, CCCE, CCM, BE, PE, CVE, Traditional Naturopath
817-819-8457


Pasted Graphic 1