![\"cho-samoyed\"](\"https:\/\/img.yeupet.vn\/2018\/12\/cho-samoyed.jpg\")
<\/p>\nCh\u00f3 c\u00e1i kh\u00f4ng c\u00f3 kinh nguy\u1ec7t gi\u1ed1ng nh\u01b0 ph\u1ee5 n\u1eef (con ng\u01b0\u1eddi) ch\u00fang ta. Thay v\u00e0o \u0111\u00f3, con ch\u00f3 c\u00f3 m\u1ed9t chu k\u1ef3 \u0111\u1ed9ng d\u1ee5c, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t chu k\u1ef3 nhi\u1ec7t. Chu k\u1ef3 \u0111\u1ed9ng d\u1ee5c \u1edf ch\u00f3 xu\u1ea5t hi\u1ec7n hai l\u1ea7n, v\u00e0 th\u01b0\u1eddng l\u00e0 h\u01a1n m\u1ed9t l\u1ea7n tr\u00ean m\u1ed9t n\u0103m. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u t\u1eeb 9 \u0111\u1ebfn 12 th\u00e1ng tu\u1ed5i, m\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i. Con ch\u00f3 c\u00e1i c\u00f3 chu k\u1ef3 nhi\u1ec7t trong su\u1ed1t cu\u1ed9c \u0111\u1eddi c\u1ee7a ch\u00fang, v\u00ec, kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c lo\u00e0i linh tr\u01b0\u1edfng, con ch\u00f3 kh\u00f4ng \u0111i v\u00e0o th\u1eddi k\u1ef3 m\u00e3n kinh khi c\u00f3 tu\u1ed5i. Thay v\u00e0o \u0111\u00f3, c\u00e1c chu k\u1ef3 nhi\u1ec7t c\u1ee7a ch\u00fang d\u1ea7n d\u1ea7n d\u00e0i h\u01a1n. Chu k\u1ef3 nhi\u1ec7t c\u1ee7a m\u1ed9t con ch\u00f3 bao g\u1ed3m b\u1ed1n giai \u0111o\u1ea1n: proestrus, \u0111\u1ed9ng d\u1ee5c, diestrus v\u00e0 \u0111\u1ed9ng d\u1ee5c. S\u1ef1 ki\u1ec7n th\u1ec3 ch\u1ea5t v\u00e0 hormone kh\u00e1c nhau x\u1ea3y ra trong t\u1eebng giai \u0111o\u1ea1n. Ba hormone r\u1ea5t c\u1ea7n thi\u1ebft cho chu k\u1ef3 nhi\u1ec7t c\u1ee7a m\u1ed9t con ch\u00f3 l\u00e0: 1) estrogen, ch\u1ecbu tr\u00e1ch nhi\u1ec7m b\u1eaft \u0111\u1ea7u chu k\u1ef3 nhi\u1ec7t; 2) luteinizing hormone (LH), ch\u1ecbu tr\u00e1ch nhi\u1ec7m th\u00fac \u0111\u1ea9y vi\u1ec7c r\u1ee5ng tr\u1ee9ng; v\u00e0 3) progesterone, ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho vi\u1ec7c duy tr\u00ec thai.<\/p>\n
<\/p>\n
Proestrus<\/strong> \u0110\u1ed9ng d\u1ee5c<\/strong> Diestrus<\/strong> Ch\u00f3 c\u00e1i kh\u00f4ng c\u00f3 kinh nguy\u1ec7t gi\u1ed1ng nh\u01b0 ph\u1ee5 n\u1eef (con ng\u01b0\u1eddi) ch\u00fang ta. Thay v\u00e0o \u0111\u00f3, con ch\u00f3 c\u00f3 m\u1ed9t chu k\u1ef3 \u0111\u1ed9ng d\u1ee5c, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t chu k\u1ef3 nhi\u1ec7t. Chu k\u1ef3 \u0111\u1ed9ng d\u1ee5c \u1edf ch\u00f3 xu\u1ea5t hi\u1ec7n hai l\u1ea7n, v\u00e0 th\u01b0\u1eddng l\u00e0 h\u01a1n m\u1ed9t l\u1ea7n tr\u00ean m\u1ed9t n\u0103m. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2814","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/posts\/2814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/comments?post=2814"}],"version-history":[{"count":0,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/posts\/2814\/revisions"}],"wp:attachment":[{"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/media?parent=2814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/categories?post=2814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/robot.yeupet.vn\/index.php\/wp-json\/wp\/v2\/tags?post=2814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nGiai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean c\u1ee7a chu k\u1ef3 \u0111\u1ed9ng d\u1ee5c c\u1ee7a m\u1ed9t con ch\u00f3 l\u00e0 proestrus. T\u00ednh trung b\u00ecnh, k\u00e9o d\u00e0i kho\u1ea3ng 9 ng\u00e0y nh\u01b0ng c\u00f3 th\u1ec3 n\u1eb1m trong kho\u1ea3ng 3-17 ng\u00e0y d\u00e0i. \u00c2m h\u1ed9 c\u1ee7a con ch\u00f3 d\u1ea7n d\u1ea7n tr\u1edf n\u00ean s\u01b0ng v\u00e0 \u0111\u00e0o th\u1ea3i ra m\u1ed9t d\u1ecbch m\u00e0u n\u00e2u \u0111\u1ecf. Trong proestrus, c\u01a1 th\u1ec3 c\u1ee7a con c\u00e1i \u0111ang chu\u1ea9n b\u1ecb cho m\u1ed9t k\u1ef3 mang thai c\u00f3 th\u1ec3. Tuy nhi\u00ean, n\u00f3 s\u1ebd kh\u00f4ng ch\u1ea5p nh\u1eadn con \u0111\u1ef1c l\u00fac n\u00e0y. N\u1ed3ng \u0111\u1ed9 estrogen b\u1eaft \u0111\u1ea7u t\u0103ng kho\u1ea3ng 1 th\u00e1ng tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u proestrus v\u00e0 sau \u0111\u00f3 \u0111\u1ea1t \u0111\u1ec9nh \u0111i\u1ec3m v\u00e0 d\u1eebng v\u00e0o cu\u1ed1i giai \u0111o\u1ea1n n\u00e0y.<\/p>\n
\nGiai \u0111o\u1ea1n th\u1ee9 hai c\u1ee7a chu tr\u00ecnh nhi\u1ec7t l\u00e0 \u0111\u1ed9ng d\u1ee5c \u2013 kh\u00f4ng n\u00ean nh\u1ea7m l\u1eabn v\u1edbi \u201c\u0111\u1ed9ng d\u1ee5c\u201d, trong \u0111\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn to\u00e0n b\u1ed9 chu k\u1ef3. \u0110\u1ed9ng d\u1ee5c k\u00e9o d\u00e0i kho\u1ea3ng 9 ng\u00e0y nh\u01b0ng c\u00f3 th\u1ec3 k\u00e9o d\u00e0i 3-21 ng\u00e0y. Trong giai \u0111o\u1ea1n n\u00e0y, con ch\u00f3 c\u00e1i c\u00f3 ph\u1ea7n hi\u1ec1n l\u00e0nh h\u01a1n, \u00e2m h\u1ed9 s\u01b0ng v\u00e0 \u0111\u1ecf bi\u1ebfn, d\u1ecbch ti\u1ebft \u00e2m \u0111\u1ea1o m\u00e0u h\u1ed3ng nh\u1ea1t ho\u1eb7c m\u00e0u r\u01a1m. Khi n\u1ed3ng \u0111\u1ed9 estrogen gi\u1ea3m v\u00e0o cu\u1ed1i proestrus, m\u1ee9c progesterone b\u1eaft \u0111\u1ea7u t\u0103ng v\u00e0 cao nguy\u00ean \u1edf lao \u0111\u1ed9ng ho\u1eb7c v\u1edbi m\u1ed9t thai k\u1ef3 sai trong \u0111\u1ed9ng d\u1ee5c. M\u1ee9c \u0111\u1ed9 LH t\u0103ng v\u1ecdt m\u1ea1nh khi n\u1ed3ng \u0111\u1ed9 estrogen gi\u1ea3m v\u00e0 m\u1ee9c \u0111\u1ed9 progesterone t\u0103ng. S\u1ef1 gia t\u0103ng k\u00edch th\u00edch r\u1ee5ng tr\u1ee9ng LH trong v\u00f2ng 2-3 ng\u00e0y, v\u00e0 con ch\u00f3 c\u00e1i tr\u1edf n\u00ean d\u1ec5 ti\u1ebfp nh\u1eadn con \u0111\u1ef1c. H\u1ea7u h\u1ebft, nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 con c\u00e1i \u0111\u1ec1u ch\u1ecbu \u0111\u1ef1c trong th\u1eddi k\u1ef3 \u0111\u1ed9ng d\u1ee5c, ch\u0129a m\u0169i c\u1ee7a n\u00f3 v\u00e0o m\u1eb7t con \u0111\u1ef1c, ch\u01a1i-l\u1ea1y, \u0111\u1ea9y \u0111u\u00f4i \u1edf ph\u00eda sau c\u1ee7a n\u00f3 v\u00e0o ng\u1ef1c con \u0111\u1ef1c v\u00e0 n\u00e2ng \u0111u\u00f4i c\u1ee7a ch\u00fang sang m\u1ed9t b\u00ean, g\u1ecdi l\u00e0 \u201c\u0111\u00e1nh d\u1ea5u\u201d. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 trong \u201cl\u00e0m n\u00f3ng\u201d. T\u1ee9ng ph\u1ea3i m\u1ea5t 2-3 ng\u00e0y \u0111\u1ec3 tr\u01b0\u1edfng th\u00e0nh sau khi ch\u00fang r\u1ee5ng tr\u01b0\u1edbc khi ch\u00fang \u0111\u01b0\u1ee3c th\u1ee5 tinh. Progesterone ph\u1ea3i cao \u0111\u1ec3 duy tr\u00ec m\u1ed9t thai k\u1ef3 b\u00ecnh th\u01b0\u1eddng.<\/p>\n
\nDiestrus l\u00e0 giai \u0111o\u1ea1n th\u1ee9 ba c\u1ee7a chu k\u1ef3 nhi\u1ec7t. N\u00f3 c\u00f3 th\u1ec3 n\u1eb1m trong kho\u1ea3ng 50-80 ng\u00e0y, trung b\u00ecnh kho\u1ea3ng 60 ng\u00e0y d\u00e0i. Diestrus s\u1ebd b\u1eaft \u0111\u1ea7u b\u1ea5t k\u1ec3 con cc\u00e1i n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o ho\u1eb7c \u0111ang mang thai. Trong giai \u0111o\u1ea1n n\u00e0y, c\u01a1 th\u1ec3 c\u1ee7a n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 con ng\u01b0\u1eddi \u0111ang mang thai. Con ch\u00f3 c\u00e1i c\u00f3 th\u1ec3 v\u00e0o m\u1ed9t th\u1eddi k\u1ef3 mang thai gi\u1ea3.<\/p>\n","protected":false},"excerpt":{"rendered":"