Changes

'''Week 4''' - neural fold fuses, rostral neuropore closes, caudal neuropore closes

'''Week 4''' - neural fold fuses, rostral neuropore closes, caudal neuropore closes

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|2nd month||Converted into Compact or solid form

|'''2nd month'''||Converted into Compact or solid form

•Knot like structure (pinda/ghana) -male (purusha),

•Knot like structure (pinda/ghana) -male (purusha),

'''Week 8'''- upper limbs longer and bent at elbow, hands and feet turned inward, eyelids, external ears, rounded head, body and limbs

'''Week 8'''- upper limbs longer and bent at elbow, hands and feet turned inward, eyelids, external ears, rounded head, body and limbs

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|3rd month || •All sense organs (sarvendriya) and all other organs (sarva angavayava) are manifested simultaneously.

|'''3rd month''' || •All sense organs (sarvendriya) and all other organs (sarva angavayava) are manifested simultaneously.

•five buds or projections (panchapindika)- arms (hasta),legs (pada) and head(shira),differentiation of major and minor parts (anga-pratyanga)  

•five buds or projections (panchapindika)- arms (hasta),legs (pada) and head(shira),differentiation of major and minor parts (anga-pratyanga)  

Broad face, eyes get widely separated, ears-low set, eye lids get fused, by the end of 12th week-primary ossification centres appear in the cranium and long bones, external genitalia develop, intestinal coils are clearly visible

Broad face, eyes get widely separated, ears-low set, eye lids get fused, by the end of 12th week-primary ossification centres appear in the cranium and long bones, external genitalia develop, intestinal coils are clearly visible

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|4th month||•Garbha gets stabilized (sthiratwa)

|'''4th month'''||•Garbha gets stabilized (sthiratwa)

•All major and minor parts become clearly demarcated, expresses desires in objects of sense organs.

•All major and minor parts become clearly demarcated, expresses desires in objects of sense organs.

•Integumentary - body is covered with lanugo

•Integumentary - body is covered with lanugo

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|5th month|| •Excessive increase of muscle tissue ([[mamsa]]) and blood ([[rakta]])

|'''5th month'''|| •Excessive increase of muscle tissue ([[mamsa]]) and blood ([[rakta]])

•Mind (manas) becomes more enlightened

•Mind (manas) becomes more enlightened

•Musculoskeletal - active movements of the fetus in the uterus (kicks)

•Musculoskeletal - active movements of the fetus in the uterus (kicks)

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|6th month||Rapid increase in bala(strength) and varna(complexion),More enlightening of buddhi(intellect),Manifestation of kesha(hairs on head), loma(body hairs), nakha(nails), asthi(bones), snayu(tendons), twak(skin),increase in strength(bala), complexion(varna) and vital power in foetus(ojas),quivering (prasphurana)  ||'''21-25 weeks'''- Integumentary / Vision - eyelids and eyebrows developed

|'''6th month'''||Rapid increase in bala(strength) and varna(complexion),More enlightening of buddhi(intellect),Manifestation of kesha(hairs on head), loma(body hairs), nakha(nails), asthi(bones), snayu(tendons), twak(skin),increase in strength(bala), complexion(varna) and vital power in foetus(ojas),quivering (prasphurana)  ||'''21-25 weeks'''- Integumentary / Vision - eyelids and eyebrows developed

•Lanugo a darker color and vernix caseosa is thicker.

•Lanugo a darker color and vernix caseosa is thicker.

•Fetuses born after the 25th week of gestation are generally viable

•Fetuses born after the 25th week of gestation are generally viable

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|7th month||Differentiation of all the major and minor parts becomes evident,Completeness of all the body parts in terms of growth and development,optimum level of [[vata]]-[[pitta]]-[[kapha]] ||'''26-29 week'''-integumentary / Vision - eyes are opened again and eyebrows and eyelashes are well formed

|'''7th month'''||Differentiation of all the major and minor parts becomes evident,Completeness of all the body parts in terms of growth and development,optimum level of [[vata]]-[[pitta]]-[[kapha]] ||'''26-29 week'''-integumentary / Vision - eyes are opened again and eyebrows and eyelashes are well formed

•Pupillary membrane disappears.

•Pupillary membrane disappears.

•Integumentary - hair grows, subcutaneous adipose tissue deposits round the whole body, becomes chubby and plump

•Integumentary - hair grows, subcutaneous adipose tissue deposits round the whole body, becomes chubby and plump

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|8th month||Unstable movement of vitality (ojas) from foetus to mother and vice versa through the channels of circulation of nutrient fluid.

|'''8th month'''||Unstable movement of vitality (ojas) from foetus to mother and vice versa through the channels of circulation of nutrient fluid.

Digestive enzymes  (pachakagni) starts functioning.||'''30-34 weeks'''-Integumentary - body becomes chubby and the skin is pink

Digestive enzymes  (pachakagni) starts functioning.

||'''30-34 weeks'''-Integumentary - body becomes chubby and the skin is pink

•fingernails have reached the ends of the fingers

•fingernails have reached the ends of the fingers

Genital - testicles descend

Genital - testicles descend

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|9th month||Cheshta (activities) are more apparent||--

|'''9th month'''||Cheshta (activities) are more apparent||--

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*[Cha. Sa. [[ Sharira Sthana]] 4/9-24], [Su. Sa. Sharira Sthana 3/18-30],  

*[Cha. Sa. [[ Sharira Sthana]] 4/9-24], [Su. Sa. Sharira Sthana 3/18-30],