Template talk:Third Trimester Timeline: Difference between revisions

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{|
|+ colspan=3|'''Third Trimester Timeline'''
|-
|
| colspan=2|{{human timeline}} | {{first trimester timeline}} | {{second trimester timeline}} | {{third trimester timeline}}
|-bgcolor="#AFEEEE"
| <center>'''Week'''</center>
| <center>'''Stage'''</center>
| '''Event'''
|-
|
| Clinical third trimester ({{GA}} Clinical Week 28) [[Third Trimester]]
| [[File:Fetal_size_change.jpg|90px|link=Fetal Development]] [[Sensory_-_Hearing_and_Balance_Development|Hearing]] 3rd Trimester - vibration acoustically of maternal abdominal wall induces startle respone in fetus.
|-bgcolor="#AFEEEE"
| <center>27</center>
|
| &nbsp;
|-
| <center>28</center>
| &nbsp;
| [[Respiratory_System_Development|Respire]] Month 7 - respiratory bronchioles proliferate and end in alveolar ducts and sacs
|-bgcolor="#AFEEEE"
| <center>29</center>
|
| &nbsp;
[[Integumen
tary System - Tooth Development|Tooth Development]] Week 29 - Permanent premolars (correspond to the milk molars) appear.
|-
| <center>30</center>
| &nbsp;
| &nbsp;
[[Genital_System_Development|Genital]] male gonad (testes) descending
|-bgcolor="#AFEEEE"
| <center>31</center>
|
| &nbsp;
|-
| <center>32</center>
| &nbsp;
| [[Integumentary_System_-_Nail_Development|Nail Development]] fingernails reach digit tip
|-bgcolor="#AFEEEE"
| <center>33</center>
| &nbsp;
| [[Neural System Development|Neural]]  brain cortical sulcation - primary sulci present<ref name="PMID11158907"><pubmed>11158907</pubmed></ref>
|-
| <center>34</center>
| &nbsp;
| [[Neural System Development|Neural]]  brain cortical sulcation - insular, cingular, and occipital secondary sulci present<ref name="PMID11158907"><pubmed>11158907</pubmed></ref>
|-bgcolor="#AFEEEE"
| <center>35</center>
| &nbsp;
| &nbsp;
|-
| <center>36</center>
| &nbsp;
|  [[File:Frazer006_bw600.jpg|90px|link=Fetal Development]] [[Integumentary_System_-_Nail_Development|Nail Development]] toenails reach digit tip
[[Vision_-_Lens_Development|Lens Development]] - lens growth and interocular distance plateaus after 36 weeks of gestation<ref name ="PMID19541779"><pubmed>19541779</pubmed></ref>
|-bgcolor="#AFEEEE"
| <center>37</center>
| &nbsp;
| &nbsp;
|-
| <center>38</center>
| Birth
| [[File:Newborn.jpg|90px|link=Birth]] Clinical Week 40
[[Cardiovascular System Development|Heart]] pressure difference closes foramen ovale leaving a fossa ovalis
[[Endocrine_-_Thyroid_Development|Thyroid]] TSH levels increase, thyroxine (T3) and T4 levels increase to 24 h, then 5-7 days postnatal decline to normal levels
[[Endocrine_-_Adrenal_Development|Adrenal]] - zona glomerulosa, zona fasiculata present
|-
|}

Latest revision as of 11:43, 12 May 2018

Third Trimester Timeline
human timeline | first trimester timeline | second trimester timeline | third trimester timeline
Week
Stage
 Event
Clinical third trimester (GA Clinical Week 28) Third Trimester Fetal size change.jpg Hearing 3rd Trimester - vibration acoustically of maternal abdominal wall induces startle respone in fetus.
27
  
28
   Respire Month 7 - respiratory bronchioles proliferate and end in alveolar ducts and sacs
29
  

[[Integumen tary System - Tooth Development|Tooth Development]] Week 29 - Permanent premolars (correspond to the milk molars) appear.

30
    

Genital male gonad (testes) descending

31
  
32
   Nail Development fingernails reach digit tip
33
   Neural brain cortical sulcation - primary sulci present[1]
34
   Neural brain cortical sulcation - insular, cingular, and occipital secondary sulci present[1]
35
    
36
   Frazer006 bw600.jpg Nail Development toenails reach digit tip

Lens Development - lens growth and interocular distance plateaus after 36 weeks of gestation[2]

37
    
38
 Birth Newborn.jpg Clinical Week 40

Heart pressure difference closes foramen ovale leaving a fossa ovalis

Thyroid TSH levels increase, thyroxine (T3) and T4 levels increase to 24 h, then 5-7 days postnatal decline to normal levels

Adrenal - zona glomerulosa, zona fasiculata present

  1. ↑ 1.0 1.1 <pubmed>11158907</pubmed>
  2. ↑ <pubmed>19541779</pubmed>
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