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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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Multilingual Illustrated DVD [Tutorial]

The Biology of Prenatal Development




IBINYABUZIMA BIJANA NO GUTWITA

.Kirundi [Kirundi (Rundi)]


National Geographic Society This program is distributed in the U.S. and Canada by National Geographic and EHD. [learn more]

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Chapter 41   4 to 5 Months (16 to 20 Weeks): Stress Response, Vernix Caseosa, Circadian Rhythms

Mugihe c' amayinga 16, impamvu zateye urushinge kwinjira munda y'igi ruhungabanya imbuto igisubizo kikagorana impamvu zituma utwite zikaja ahagaragara, cangwa impamvu zituma amaraso aja ukwayo. Utuyoya twavutse n'abantu bakuru berekana ibimenyetso bimwe mu buryo bitagenda neza.

Mubuhumekero, umuhogo uba noneho ugaragara.

Umweru urinda umuhogo, witwa urutonde rw'amenyo, ubu utwikiriye uruyoya. urwo rutonde rurinze uruhu ngo rutagira ikiruhungabanya biturutse ku mavuta.

Guhera ku mayinga 19 akayoya karakina, kagahumeka, n'umutima utangura gutera ukurikije ibiriho ku munsi arivyo vyitwa akazi k'umutima.

Chapter 42   5 to 6 Months (20 to 24 Weeks): Responds to Sound; Hair and Skin; Age of Viability

Mugihe c' amayinga 20 ingoma y'amatwi, ituma umuntu yumva, iba imeze nk'iy'umuntu mukuru ku buryo nta kindi ikeneye imbere mu gutwi. Guhera ubu noneho, akayoya gashobora kwerekana ko kumva urusobe rw'amajwi.

Umusatsi utangira gukura ku ruhu rw'umutwe.

Ibigize uruhu, n'izindi ngingo z'umubiri biba vyuzuye, harimo igikuriro c'umusatsi n'uduturugunyu.

Mugihe c' amayinga 21 kugeza kuri 22 nyuma yo gusama, ibihaha bigira ubushobozi bwo guhumeka umwuka. Ibyo vyerekana ko umwana aba yakuze kubera ko aba nyuma y'ingovyi ivyo ariko bishoboka ku tuyoya tumwe na tumwe. Hakoreshejwe ubuhanga buhanitse Mu vy'ubuvuzi birashoboka kuramira ubuzima bw'abana bavuka badashitse.


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