Moms, perkembangan si kecil ketika berada di dalam kandungan menarik untuk diikuti. Terutama di trimester pertama.
Pada trimester pertama, banyak perubahan terjadi, dari bentuk awal yang hanya seperti segumpal sel (zygote), lalu menjadi embrio, yang bentuknya kini lebih tampak sebuah organisme multi sel.
Dari minggu ke minggu organ pada embrio pun bertambah, khususnya ketika embrio menginjak usia 8 minggu.
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Seperti yang dilansir dari laman wikipedia.org, Moms. Ketika emrbio berusia 8 minggu, paru-paru, rigi gonad, dan sistem limpa adalah organ yang mulai tumbuh.
Bentuk embrio pada minggu ke delapan pun berubah. Embrio yang dulu menekur, ketika berusia 8 minggu posisi punggungnya lebih lurus.
Jari-jari pada tangan dan kaki embrio juga tumbuh di usianya yang ke delapan minggu. Tapi, jemari tersebut masih terselubungi oleh selaput di antaranya selanya.
Selain itu, embrio pun bertambah panjang, Moms. Jika pada minggu sebelumnya panjang rata-rata embrio adalah 5 mm hingga 7 mm, kini panjang embrio adalah 13 mm. Kira-kira besar embrio adalah seukuran biji kacang Lima.
Oleh: Sahirul Taufiqurahman
(vem/rsk)

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