Kholiso ea masea - ho emara libeke tse 4

Litaba

• Nts'etsopele ea lesea
• Boholo ba lesea le emmeng ka libeke tse 4
• Boimana ba hau ka trimester

Libekeng tse 4 tsa bokhachane, tse lekanang le khoeli ea 1 ea bokhachane, likarolo tse tharo tsa lisele li se li thehiloe tse hlahisang lesea le lelelele le bolelele ba limilimithara tse 2.

Teko ea bokhachane e se e ka etsoa, ​​hobane hormone ea motho ea chorionic gonadotropin e se e ntse e fumaneha morong.

Nts'etsopele ea lesea

Ka libeke tse 'ne, likarolo tse tharo tsa lisele li se li thehiloe:

• Lera le ka ntle, leo hape le bitsoang ectoderm, le tla fetoha bokong ba lesea, tsamaiso ea methapo, letlalo, moriri, manala le meno;
• Lera le bohareng kapa mesoderm, e tla fetoha pelo, methapo ea mali, masapo, mesifa le litho tsa ho ikatisa;
• Lera la ka hare kapa endoderm, leo ho lona matšoafo, sebete, senya le tsamaiso ea tšilo ea lijo li tla hlaha.

Mothating ona, lisele tsa lesea le sa tsoa emoloa li hola ka bolelele, ka hona li fumana sebopeho se selelele.

Boholo ba lesea le emmeng ka libeke tse 4

Boholo ba lesea ka libeke tse 4 tsa bokhachane bo ka tlase ho limilimithara tse 2.

Boimana ba hau ka trimester

Ho nolofalletsa bophelo ba hau mme o sa senye nako ho sheba, re arotse tlhaiso-leseling eo u e hlokang bakeng sa trimester ka 'ngoe ea bokhachane. U kotareng efe?

• Kotara ea pele (ho tloha ka la 1 ho isa ho la la 13 beke)
• Kotara ea bobeli (ho tloha ka la 14 ho isa ho la 27 beke)
• Kotara ea boraro (ho tloha ka la 28 ho isa ho la bo 41 beke)