1. Thay \u0110\u1ed5i Hormone Trong Thai K\u1ef3<\/strong><\/p>\nNgay t\u1eeb khi b\u1eaft \u0111\u1ea7u mang thai, c\u01a1 th\u1ec3 m\u1eb9 b\u1ea7u b\u1eaft \u0111\u1ea7u s\u1ea3n sinh m\u1ed9t l\u01b0\u1ee3ng l\u1edbn hormone, \u0111\u1eb7c bi\u1ec7t l\u00e0 hormone hCG (Human Chorionic Gonadotropin). \u0110\u00e2y l\u00e0 lo\u1ea1i hormone gi\u00fap duy tr\u00ec thai k\u1ef3 v\u00e0 h\u1ed7 tr\u1ee3 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a thai nhi. Tuy nhi\u00ean, hormone n\u00e0y c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh khi\u1ebfn m\u1eb9 b\u1ea7u \u0111i ti\u1ec3u nhi\u1ec1u h\u01a1n, do n\u00f3 l\u00e0m t\u0103ng l\u01b0u l\u01b0\u1ee3ng m\u00e1u \u0111\u1ebfn v\u00f9ng x\u01b0\u01a1ng ch\u1eadu v\u00e0 th\u1eadn, k\u00edch th\u00edch th\u1eadn s\u1ea3n xu\u1ea5t nhi\u1ec1u n\u01b0\u1edbc ti\u1ec3u h\u01a1n.<\/p>\n
Ngo\u00e0i ra, hormone progesterone, m\u1ed9t hormone quan tr\u1ecdng kh\u00e1c trong thai k\u1ef3, c\u0169ng l\u00e0m gi\u00e3n c\u01a1 c\u1ee7a b\u00e0ng quang v\u00e0 ni\u1ec7u \u0111\u1ea1o, khi\u1ebfn b\u00e0ng quang d\u1ec5 d\u00e0ng ch\u1ee9a \u00edt n\u01b0\u1edbc ti\u1ec3u h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng t\u1ea7n su\u1ea5t \u0111i ti\u1ec3u c\u1ee7a m\u1eb9 b\u1ea7u.<\/p>\n
2. \u00c1p L\u1ef1c T\u1eeb T\u1eed Cung \u0110ang M\u1edf R\u1ed9ng<\/strong><\/p>\nKhi thai nhi ph\u00e1t tri\u1ec3n, t\u1eed cung c\u1ee7a m\u1eb9 b\u1ea7u c\u0169ng d\u1ea7n m\u1edf r\u1ed9ng \u0111\u1ec3 t\u1ea1o kh\u00f4ng gian cho b\u00e9. T\u1eed cung m\u1edf r\u1ed9ng s\u1ebd t\u1ea1o \u00e1p l\u1ef1c l\u00ean b\u00e0ng quang, l\u00e0m gi\u1ea3m kh\u00f4ng gian ch\u1ee9a n\u01b0\u1edbc ti\u1ec3u. K\u1ebft qu\u1ea3 l\u00e0 m\u1eb9 b\u1ea7u c\u1ea3m th\u1ea5y c\u1ea7n ph\u1ea3i \u0111i ti\u1ec3u th\u01b0\u1eddng xuy\u00ean h\u01a1n, ngay c\u1ea3 khi b\u00e0ng quang ch\u1ec9 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf n\u01b0\u1edbc ti\u1ec3u.<\/p>\n
\u00c1p l\u1ef1c t\u1eeb t\u1eed cung \u0111\u1eb7c bi\u1ec7t r\u00f5 r\u1ec7t trong tam c\u00e1 nguy\u1ec7t th\u1ee9 ba, khi em b\u00e9 \u0111\u00e3 l\u1edbn v\u00e0 chi\u1ebfm nhi\u1ec1u kh\u00f4ng gian h\u01a1n trong b\u1ee5ng m\u1eb9.<\/p>\n
3. T\u0103ng L\u01b0u L\u01b0\u1ee3ng M\u00e1u V\u00e0 Ch\u1ea5t L\u1ecfng Trong C\u01a1 Th\u1ec3<\/strong><\/p>\nTrong su\u1ed1t thai k\u1ef3, l\u01b0\u1ee3ng m\u00e1u trong c\u01a1 th\u1ec3 m\u1eb9 b\u1ea7u t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o cung c\u1ea5p \u0111\u1ee7 d\u01b0\u1ee1ng ch\u1ea5t v\u00e0 oxy cho thai nhi. \u0110i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c th\u1eadn ph\u1ea3i l\u00e0m vi\u1ec7c nhi\u1ec1u h\u01a1n \u0111\u1ec3 l\u1ecdc m\u00e1u v\u00e0 lo\u1ea1i b\u1ecf ch\u1ea5t th\u1ea3i qua n\u01b0\u1edbc ti\u1ec3u. Do \u0111\u00f3, l\u01b0\u1ee3ng n\u01b0\u1edbc ti\u1ec3u c\u0169ng t\u0103ng l\u00ean, d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u1eb9 b\u1ea7u ph\u1ea3i \u0111i ti\u1ec3u nhi\u1ec1u l\u1ea7n trong ng\u00e0y v\u00e0 \u0111\u00eam.<\/p>\n
Th\u00eam v\u00e0o \u0111\u00f3, c\u01a1 th\u1ec3 m\u1eb9 b\u1ea7u c\u0169ng gi\u1eef l\u1ea1i nhi\u1ec1u n\u01b0\u1edbc h\u01a1n \u0111\u1ec3 duy tr\u00ec l\u01b0\u1ee3ng n\u01b0\u1edbc \u1ed1i \u0111\u1ee7 cho thai nhi. L\u01b0\u1ee3ng n\u01b0\u1edbc d\u01b0 th\u1eeba n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c th\u1eadn l\u1ecdc v\u00e0 th\u1ea3i ra ngo\u00e0i, g\u00f3p ph\u1ea7n l\u00e0m t\u0103ng t\u1ea7n su\u1ea5t \u0111i ti\u1ec3u.<\/p>\n
4. Thai Nhi Chuy\u1ec3n \u0110\u1ed9ng V\u00e0 V\u1ecb Tr\u00ed C\u1ee7a B\u00e9<\/strong><\/p>\nKhi thai nhi l\u1edbn l\u00ean v\u00e0 b\u1eaft \u0111\u1ea7u chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec1u h\u01a1n, nh\u1eefng c\u00fa \u0111\u1ea1p ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a b\u00e9 c\u00f3 th\u1ec3 t\u1ea1o \u00e1p l\u1ef1c tr\u1ef1c ti\u1ebfp l\u00ean b\u00e0ng quang c\u1ee7a m\u1eb9. \u0110i\u1ec1u n\u00e0y l\u00e0m cho m\u1eb9 b\u1ea7u \u0111\u1ed9t ng\u1ed9t c\u1ea3m th\u1ea5y mu\u1ed1n \u0111i ti\u1ec3u, ngay c\u1ea3 khi b\u00e0ng quang kh\u00f4ng \u0111\u1ea7y.<\/p>\n
\u0110\u1eb7c bi\u1ec7t, v\u00e0o nh\u1eefng tu\u1ea7n cu\u1ed1i c\u1ee7a thai k\u1ef3, khi \u0111\u1ea7u c\u1ee7a thai nhi b\u1eaft \u0111\u1ea7u di chuy\u1ec3n xu\u1ed1ng khung ch\u1eadu \u0111\u1ec3 chu\u1ea9n b\u1ecb cho qu\u00e1 tr\u00ecnh sinh n\u1edf, \u00e1p l\u1ef1c l\u00ean b\u00e0ng quang s\u1ebd t\u0103ng l\u00ean, khi\u1ebfn m\u1eb9 b\u1ea7u ph\u1ea3i \u0111i ti\u1ec3u th\u01b0\u1eddng xuy\u00ean h\u01a1n.<\/p>\n
5. Nhi\u1ec5m Tr\u00f9ng \u0110\u01b0\u1eddng Ti\u1ebft Ni\u1ec7u (UTI)<\/strong><\/p>\nNgo\u00e0i nh\u1eefng nguy\u00ean nh\u00e2n t\u1ef1 nhi\u00ean do thai k\u1ef3 g\u00e2y ra, m\u1ed9t s\u1ed1 m\u1eb9 b\u1ea7u c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng nhi\u1ec5m tr\u00f9ng \u0111\u01b0\u1eddng ti\u1ebft ni\u1ec7u (UTI). \u0110\u00e2y l\u00e0 t\u00ecnh tr\u1ea1ng vi khu\u1ea9n x\u00e2m nh\u1eadp v\u00e0o ni\u1ec7u \u0111\u1ea1o v\u00e0 b\u00e0ng quang, g\u00e2y ra vi\u00eam nhi\u1ec5m v\u00e0 k\u00edch th\u00edch b\u00e0ng quang. Nhi\u1ec5m tr\u00f9ng \u0111\u01b0\u1eddng ti\u1ebft ni\u1ec7u th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi c\u00e1c tri\u1ec7u ch\u1ee9ng nh\u01b0 c\u1ea3m gi\u00e1c \u0111au r\u00e1t khi \u0111i ti\u1ec3u, n\u01b0\u1edbc ti\u1ec3u c\u00f3 m\u00e0u \u0111\u1ee5c, m\u00f9i kh\u00f3 ch\u1ecbu, v\u00e0 \u0111\u00f4i khi c\u00f3 th\u1ec3 k\u00e8m theo s\u1ed1t.<\/p>\n
N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb k\u1ecbp th\u1eddi, UTI c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c bi\u1ebfn ch\u1ee9ng nghi\u00eam tr\u1ecdng h\u01a1n, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 m\u1eb9 v\u00e0 thai nhi, nh\u01b0 nhi\u1ec5m tr\u00f9ng th\u1eadn ho\u1eb7c nguy c\u01a1 sinh non.<\/p>\n
6. T\u0103ng C\u1ea3m Gi\u00e1c C\u0103ng Th\u1eb3ng V\u00e0 Lo L\u1eafng<\/strong><\/p>\nMang thai l\u00e0 m\u1ed9t giai \u0111o\u1ea1n \u0111\u1ea7y th\u00e1ch th\u1ee9c c\u1ea3 v\u1ec1 th\u1ec3 ch\u1ea5t l\u1eabn tinh th\u1ea7n. C\u1ea3m gi\u00e1c lo l\u1eafng, c\u0103ng th\u1eb3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 lo l\u1eafng v\u1ec1 qu\u00e1 tr\u00ecnh sinh n\u1edf v\u00e0 s\u1ee9c kh\u1ecfe c\u1ee7a em b\u00e9, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ea7n su\u1ea5t \u0111i ti\u1ec3u. C\u0103ng th\u1eb3ng t\u00e1c \u0111\u1ed9ng l\u00ean h\u1ec7 th\u1ea7n kinh v\u00e0 h\u1ec7 ti\u00eau h\u00f3a, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng c\u1ea7n \u0111i ti\u1ec3u nhi\u1ec1u h\u01a1n.<\/p>\n
7. Ch\u1ebf \u0110\u1ed9 \u0102n U\u1ed1ng<\/strong><\/p>\nM\u1ed9t s\u1ed1 lo\u1ea1i th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng c\u00f3 t\u00e1c d\u1ee5ng l\u1ee3i ti\u1ec3u, nh\u01b0 c\u00e0 ph\u00ea, tr\u00e0, v\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i tr\u00e1i c\u00e2y nh\u01b0 d\u01b0a h\u1ea5u, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ea7n su\u1ea5t \u0111i ti\u1ec3u. Vi\u1ec7c ti\u00eau th\u1ee5 nhi\u1ec1u n\u01b0\u1edbc ho\u1eb7c c\u00e1c lo\u1ea1i th\u1ef1c ph\u1ea9m l\u1ee3i ti\u1ec3u trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn m\u1eb9 b\u1ea7u c\u1ea3m th\u1ea5y c\u1ea7n ph\u1ea3i \u0111i ti\u1ec3u th\u01b0\u1eddng xuy\u00ean h\u01a1n.<\/p>\n
Nh\u1eefng nguy\u00ean nh\u00e2n tr\u00ean \u0111\u1ec1u g\u00f3p ph\u1ea7n l\u00e0m t\u0103ng t\u1ea7n su\u1ea5t \u0111i ti\u1ec3u \u1edf m\u1eb9 b\u1ea7u. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean nh\u00e2n n\u00e0y s\u1ebd gi\u00fap m\u1eb9 b\u1ea7u c\u1ea3m th\u1ea5y an t\u00e2m h\u01a1n v\u00e0 bi\u1ebft c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh sinh ho\u1ea1t h\u00e0ng ng\u00e0y \u0111\u1ec3 gi\u1ea3m b\u1edbt phi\u1ec1n to\u00e1i do t\u00ecnh tr\u1ea1ng \u0111i ti\u1ec3u nhi\u1ec1u g\u00e2y ra.<\/p>\n