{"id":8550,"date":"2015-08-01T08:03:21","date_gmt":"2015-08-01T01:03:21","guid":{"rendered":"https:\/\/dochoitreem.com\/?p=8550"},"modified":"2019-07-13T02:02:03","modified_gmt":"2019-07-12T19:02:03","slug":"qua-trinh-phat-trien-cua-thai-nhi-trong-bung-me","status":"publish","type":"post","link":"https:\/\/dochoitreem.com\/qua-trinh-phat-trien-cua-thai-nhi-trong-bung-me\/","title":{"rendered":"Qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a thai nhi trong b\u1ee5ng m\u1eb9"},"content":{"rendered":"
S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a thai nhi trong b\u1ee5ng m\u1eb9 l\u00e0 m\u1ed9t \u0111i\u1ec1u v\u00f4 c\u00f9ng k\u1ef3 di\u1ec7u. Khi tinh tr\u00f9ng ti\u1ebfn g\u1ea7n v\u00e0o tr\u1ee9ng, t\u1ea1i \u0111\u00e2y tr\u1ee9ng s\u1ebd g\u1eb7p \u0111\u01b0\u1ee3c tinh tr\u00f9ng v\u00e0 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh th\u1ee5 tinh. T\u1eeb \u0111\u00f3 h\u00ecnh th\u00e0nh n\u00ean ph\u00f4i thai v\u00e0 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh t\u1ea1o n\u00ean em b\u00e9. C\u00f9ng quan s\u00e1t qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a thai nhi trong b\u1ee5ng m\u1eb9 qua b\u00e0i vi\u1ebft sau.<\/p>\n
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Giai \u0111o\u1ea1n n\u00e0y l\u00e0 quan tr\u1ecdng nh\u1ea5t trong thai k\u1ef3. Th\u1eddi gian n\u00e0y s\u1ebd di\u1ec5n ra qu\u00e1 tr\u00ecnh th\u1ee5 thai, th\u1ee5 tinh v\u00e0 l\u00e0m t\u1ed5. Sau khi tr\u1ee9ng \u1edf ng\u01b0\u1eddi ph\u1ee5 n\u1eef r\u1ee5ng, th\u00f4ng th\u01b0\u1eddng s\u1ebd \u0111\u01b0\u1ee3c th\u1ee5 tinh trong v\u00f2ng 24 \u2013 48 gi\u1edd. Sau \u0111\u00f3, c\u00e1c t\u1ebf b\u00e0o th\u1ee5 tinh b\u1eaft \u0111\u1ea7u ph\u00e2n chia nhanh ch\u00f3ng v\u00e0 th\u1eddi \u0111i\u1ec3m n\u00e0y ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ee3p t\u1eed.<\/p>\n
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To\u00e0n b\u1ed9 c\u00e1c thu\u1ed9c t\u00ednh c\u1ee7a em b\u00e9 s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong th\u1eddi gian n\u00e0y bao g\u1ed1m gi\u1edbi t\u00ednh, m\u00e0u t\u00f3c v\u00e0 m\u00e0u m\u1eaft. T\u1eeb ng\u00e0y th\u1ee9 7 – 10, s\u1ef1 l\u00e0m t\u1ed5 b\u1eaft \u0111\u1ea7u di\u1ec5n ra. L\u00fac n\u00e0y, t\u00fai \u1ed1i, d\u00e2y r\u1ed1n v\u00e0 t\u00fai no\u00e3n ho\u00e0ng c\u0169ng \u0111\u00e3 b\u1eaft \u0111\u1ea7u h\u00ecnh th\u00e0nh. V\u00e0o cu\u1ed1i th\u00e1ng n\u00e0y, thai nhi c\u00f3 chi\u1ec1u\u00a0d\u00e0i kho\u1ea3ng 2mm v\u00e0 b\u1eaft \u0111\u1ea7u giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n.<\/p>\n
\u1ede tu\u1ea7n l\u1ec5 th\u1ee9 5 \u0111\u1ebfn tu\u1ea7n l\u1ec5 th\u1ee9 9, \u1ed1ng th\u1ea7n kinh ch\u1ea1y d\u1ecdc theo l\u01b0ng b\u00e9 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u00f3ng k\u00edn. Th\u00eam v\u00e0o \u0111\u00f3, s\u1ebd c\u00f3 m\u1ed9t s\u1ef1 ph\u00e1t tri\u1ec3n \u0111\u00e1ng k\u1ec3 v\u1ec1 k\u00edch th\u01b0\u1edbc c\u1ee7a n\u00e3o b\u1ed9. C\u00e1c t\u00fai m\u1eaft, sau n\u00e0y s\u1ebd ph\u00e1t tri\u1ec3n th\u00e0nh m\u1eaft, \u0111\u00e3 b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a \u0111\u1ea7u b\u00e9 v\u00e0 h\u00ecnh th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng nh\u1ecf d\u1eabn \u0111\u1ebfn tai trong c\u1ee7a thai nhi. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, thai nhi n\u1eb7ng kho\u1ea3ng 1 – 2 gram v\u00e0 c\u00f3 chi\u1ec1u d\u00e0i t\u1eeb 1,7 – 2 cm.<\/p>\n
C\u00e1c ng\u00f3n tay v\u00e0 ng\u00f3n ch\u00e2n c\u1ee7a b\u00e9 \u0111ang \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh trong tu\u1ea7n l\u1ec5 n\u00e0y, c\u00e1nh tay b\u00e9 \u0111\u00e3 c\u00f3 th\u1ec3 c\u1eed \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u00e0 c\u00f3 th\u1ec3 g\u1eadp du\u1ed7i nh\u1edd s\u1ef1 h\u00ecnh th\u00e0nh khu\u1ef7u tay v\u00e0 c\u1ed5 tay. B\u00ean c\u1ea1nh \u0111\u00f3, khu\u00f4n m\u1eb7t b\u00e9 c\u0169ng c\u00f3 nh\u1eefng thay \u0111\u1ed5i nh\u01b0 vi\u1ec7c h\u00ecnh th\u00e0nh ch\u00f3p m\u0169i v\u00e0 m\u00f4i tr\u00ean, th\u00eam n\u1eefa l\u00e0 l\u1edbp da tr\u00ean m\u00ed m\u1eaft c\u0169ng \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u0111\u1ec3 sau n\u00e0y ph\u00e1t tri\u1ec3n th\u00e0nh mi m\u1eaft.<\/p>\n
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M\u00e1u c\u0169ng \u0111\u00e3 b\u1eaft \u0111\u1ea7u l\u01b0u th\u00f4ng theo m\u1ed9t h\u1ec7 tu\u1ea7n ho\u00e0n \u0111\u01a1n gi\u1ea3n nh\u1ea5t, h\u1ec7 ti\u00eau ho\u00e1 \u0111ang ng\u00e0y c\u00e0ng ho\u00e0n thi\u1ec7n h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 ru\u1ed9t c\u1ee7a b\u00e9. C\u01a1 quan sinh d\u1ee5c thai nhi ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n. Giai \u0111o\u1ea1n n\u00e0y, thai nhi\u00a0c\u00f3 chi\u1ec1u d\u00e0i kho\u1ea3ng 8 – 9 cm v\u00e0 n\u1eb7ng kho\u1ea3ng 30 gam.<\/p>\n
T\u1ea1 th\u1eddi \u0111i\u1ec3m n\u00e0y, h\u1ec7 th\u1ed1ng ti\u00eau h\u00f3a c\u1ee7a b\u00e9 c\u0169ng b\u1eaft \u0111\u1ea7u h\u00ecnh th\u00e0nh v\u00e0 \u0111i v\u00e0o \u1ed5n \u0111\u1ecbnh. Ngo\u00e0i ra, qua h\u1ec7 th\u1ed1ng si\u00eau \u00e2m, b\u1ea1n c\u0169ng d\u1ec5 d\u00e0ng nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c gi\u1edbi t\u00ednh c\u1ee7a con. Giai \u0111o\u1ea1n n\u00e0y, thai nhi c\u00f3 chi\u1ec1u d\u00e0i kho\u1ea3ng 13 – 14cm v\u00e0 n\u1eb7ng t\u1eeb 140 – 200 gam.<\/p>\n
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Ngo\u00e0i t\u00f3c, l\u00f4ng t\u01a1 tr\u00ean ng\u01b0\u1eddi thai nhi c\u0169ng ph\u00e1t tri\u1ec3n trong giai \u0111o\u1ea1n n\u00e0y. \u0110\u1ed3ng th\u1eddi l\u00f4ng mi v\u00e0 l\u00f4ng m\u00e0y c\u1ee7a b\u00e9 c\u0169ng ph\u00e1t tri\u1ec3n. V\u00e0o th\u1eddi gian n\u00e0y, d\u1ea5u v\u00e2n tay v\u00e0 ch\u00e2n c\u1ee7a b\u00e9 c\u0169ng xu\u1ea5t hi\u1ec7n. Th\u00ednh gi\u00e1c c\u1ee7a b\u00e9 c\u0169ng ph\u00e1t tri\u1ec3n v\u00e0 v\u00e0o cu\u1ed1i th\u00e1ng n\u00e0y b\u00e9 c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c \u00e2m thanh xung quanh. L\u00fac n\u00e0y, thai nhi c\u00f3 chi\u1ec1u d\u00e0i kho\u1ea3ng 18 – 20cm v\u00e0 n\u1eb7ng 0,4-0,5 kg.<\/p>\n
H\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch c\u1ee7a thai nhi \u0111ang ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd v\u00e0 ngay t\u1eeb b\u00e2y gi\u1edd thai nhi \u0111\u00e3 b\u1eaft \u0111\u1ea7u t\u1ea1o ra nh\u1eefng kh\u00e1ng th\u1ebf cho ch\u00ednh m\u00ecnh. B\u00e9 \u0111\u00e3 c\u00f3 ph\u1ea3n x\u1ea1 gi\u1eadt m\u00ecnh r\u1ed3i c\u00e1c m\u1eb9 nh\u00e9. Ph\u1ed5i c\u1ee7a thai nhi c\u0169ng ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n v\u00e0 c\u00e1c ph\u1ebf nang \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh. Thai nhi ph\u00e1t tri\u1ec3n r\u1ea5t nhanh trong giai \u0111o\u1ea1n n\u00e0y v\u00e0 tr\u00f4ng ng\u00e0y c\u00e0ng gi\u1ed1ng h\u00ecnh \u1ea3nh l\u00fac ch\u00e0o \u0111\u1eddi.\u00a0V\u00e0o giai \u0111o\u1ea1n n\u00e0y, thai nhi d\u00e0i kho\u1ea3ng 23 – 25 cm v\u00e0 n\u1eb7ng 0,7 \u2013 0,9 kg.<\/p>\n
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\u0110\u00f4i m\u1eaft c\u1ee7a b\u00e9 \u0111\u00e3 c\u00f3 th\u1ec3 m\u1edf ra \u0111\u00f3ng v\u00e0o v\u00e0 th\u1eadt \u0111\u1eb7c bi\u1ec7t thai nhi c\u00f3 th\u1ec3 kh\u00f3c r\u1ed3i \u0111\u1ea5y. Th\u1eddi gian n\u00e0y, b\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y b\u1ee5ng b\u1ea7u ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd v\u00e0 thai nhi c\u0169ng c\u00f3 nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng r\u00f5 r\u00e0ng. L\u1edbp m\u1ee1 tr\u00ean da c\u0169ng h\u00ecnh th\u00e0nh v\u00e0 x\u01b0\u01a1ng thai nhi ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n \u0111\u1ea7y \u0111\u1ee7.\u00a0V\u00e0o giai \u0111o\u1ea1n n\u00e0y, thai nhi d\u00e0i kho\u1ea3ng 28cm v\u00e0 n\u1eb7ng 1,3 – 1,5 kg.<\/p>\n
\u1ede th\u1eddi \u0111i\u1ec3m n\u00e0y c\u1ee7a thai k\u1ef3, t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a thai nhi \u0111\u00e3 b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n ho\u00e0n ch\u1ec9nh v\u00e0 kh\u00f4ng c\u00f3 th\u00eam b\u1ea5t c\u1ee9 s\u1ef1 ph\u00e1t tri\u1ec3n n\u00e0o m\u1edbi. \u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 giai \u0111o\u1ea1n tr\u01b0\u1edfng th\u00e0nh v\u00e0 chu\u1ea9n b\u1ecb cho cu\u1ed9c s\u1ed1ng b\u00ean ngo\u00e0i t\u1eed cung. V\u00e0o l\u00fac n\u00e0y, b\u00e9 c\u00f3 chi\u1ec1u d\u00e0i kho\u1ea3ng 33cm v\u00e0 c\u00e2n n\u1eb7ng \u0111\u00e3 \u0111\u1ea1t 2,2 – 2,5 kg.<\/p>\n
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V\u00e0o tu\u1ea7n l\u1ec5 cu\u1ed1i c\u00f9ng n\u00e0y, em b\u00e9 \u0111\u00e3 s\u1eb5n s\u00e0ng cho cu\u1ed9c s\u1ed1ng b\u00ean ngo\u00e0i t\u1eed cung c\u1ee7a m\u1eb9. L\u00fac n\u00e0y, \u0111\u1ea7u thai nhi \u0111\u00e3 \u1ed5n \u0111\u1ecbnh ng\u00f4i thai, c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ea7u quay xu\u1ed1ng d\u01b0\u1edbi. \u1ede th\u1eddi \u0111i\u1ec3m n\u00e0y, c\u00e1c d\u1ea5u hi\u1ec7u chuy\u1ec3n d\u1ea1 nh\u01b0 v\u1ee1 t\u00fai \u1ed1i c\u00f3 th\u1ec3 x\u1ea3y ra b\u1ea5t c\u1ee9 l\u00fac n\u00e0o. N\u1ebfu b\u1ea1n xu\u1ea5t hi\u1ec7n c\u00e1c c\u01a1n co chuy\u1ec3n d\u1ea1 th\u00ec h\u00e3y g\u1ecdi cho b\u00e1c s\u0129 ngay \u0111\u1ec3 c\u00f3 h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3. M\u1ed9t b\u00e9 s\u01a1 sinh chao \u0111\u1eddi c\u00f3 chi\u1ec1u d\u00e0i kho\u1ea3ng 48 – 52 cm v\u00e0 n\u1eb7ng t\u1eeb 3 – 3,5 kg.<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a thai nhi trong b\u1ee5ng m\u1eb9 l\u00e0 m\u1ed9t \u0111i\u1ec1u v\u00f4 c\u00f9ng k\u1ef3 di\u1ec7u. Khi tinh tr\u00f9ng ti\u1ebfn g\u1ea7n v\u00e0o tr\u1ee9ng, t\u1ea1i \u0111\u00e2y tr\u1ee9ng s\u1ebd g\u1eb7p \u0111\u01b0\u1ee3c tinh tr\u00f9ng v\u00e0 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh th\u1ee5 tinh. T\u1eeb \u0111\u00f3 h\u00ecnh th\u00e0nh n\u00ean ph\u00f4i thai v\u00e0 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh t\u1ea1o n\u00ean em b\u00e9. C\u00f9ng […]<\/p>\n","protected":false},"author":1,"featured_media":8555,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[144],"tags":[],"class_list":["post-8550","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang-thai"],"acf":[],"yoast_head":"\n