<\/strong><\/p>\n\n\n\nNghi\u00ean c\u1ee9u cho th\u1ea5y gi\u1ed1ng \u0111\u1ef1c v\u00e0 gi\u1ed1ng c\u00e1i-n\u1eef gi\u1edbi v\u00e0 nam gi\u1edbi, bao g\u1ed3m c\u1ea3 tr\u1ebb em g\u00e1i v\u00e0 tr\u1ebb em trai- c\u00f3 nhi\u1ec1u kh\u00e1c bi\u1ec7t v\u1ec1 t\u00e2m l\u00fd. L\u0129nh v\u1ef1c t\u00e2m l\u00fd h\u1ecdc v\u1ec1 ti\u1ebfn h\u00f3a c\u1ed1 g\u1eafng gi\u1ea3i th\u00edch nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y d\u01b0\u1edbi g\u00f3c \u0111\u1ed9 th\u00edch nghi sinh h\u1ecdc. V\u1ec1 b\u1ea3n ch\u1ea5t, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ki\u1ec3m tra nh\u1eefng th\u00e1ch th\u1ee9c sinh s\u1ea3n kh\u00e1c nhau m\u00e0 c\u00e1c gi\u1edbi ph\u1ea3i \u0111\u1ed1i m\u1eb7t trong su\u1ed1t l\u1ecbch s\u1eed c\u1ee7a c\u00e1c lo\u00e0i v\u00e0 li\u00ean k\u1ebft ch\u00fang v\u1edbi c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u00e2m l\u00fd v\u00e0 h\u00e0nh vi.<\/p>\n\n\n\n
V\u00ed d\u1ee5, c\u00e1c nh\u00e0 t\u00e2m l\u00fd h\u1ecdc v\u1ec1 ti\u1ebfn h\u00f3a cho r\u1eb1ng con \u0111\u1ef1c hung h\u0103ng h\u01a1n con c\u00e1i b\u1edfi v\u00ec ch\u00fang c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn nhi\u1ec1u h\u01a1n v\u1edbi con c\u00e1i b\u1eb1ng c\u00e1ch c\u1ea1nh tranh d\u1eef d\u1ed9i v\u1edbi nh\u1eefng con \u0111\u1ef1c kh\u00e1c. Nam gi\u1edbi \u0111\u01b0\u1ee3c cho l\u00e0 s\u1eb5n s\u00e0ng quan h\u1ec7 t\u00ecnh d\u1ee5c th\u00f4ng th\u01b0\u1eddng v\u1edbi n\u1eef gi\u1edbi v\u00ec c\u00f3 th\u1ec3 gia t\u0103ng n\u00f2i gi\u1ed1ng c\u1ee7a m\u00ecnh l\u00ean r\u1ea5t nhi\u1ec1u khi l\u00e0m nh\u01b0 v\u1eady, trong khi \u0111\u00f3, n\u1eef gi\u1edbi \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i nhi\u1ec1u h\u01a1n khi k\u00e9n ch\u1ecdn do nhu c\u1ea7u mang thai v\u00e0 cho con b\u00fa.<\/p>\n\n\n\n
Ph\u1ee5 n\u1eef c\u00f3 xu h\u01b0\u1edbng th\u00edch b\u1ea1n t\u00ecnh cao h\u01a1n v\u00e0 c\u00f3 \u0111\u1ecba v\u1ecb t\u1ed1t h\u01a1n b\u1edfi v\u00ec nh\u1eefng ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c xem l\u00e0 ng\u01b0\u1eddi b\u1ea3o v\u1ec7 v\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 t\u1ed1t h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, nam gi\u1edbi th\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng th\u00edch m\u1ed9t \u0111\u1ed1i t\u00e1c h\u1ea5p d\u1eabn v\u1ec1 b\u1ec1 ngo\u00e0i h\u01a1n, m\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m \u0111\u01b0\u1ee3c coi l\u00e0 h\u1ea5p d\u1eabn nh\u1ea5t \u1edf n\u1eef gi\u1edbi l\u00e0 t\u00edn hi\u1ec7u c\u1ee7a kh\u1ea3 n\u0103ng sinh s\u1ea3n cao h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 tu\u1ed5i tr\u1ebb v\u00e0 s\u1ee9c kh\u1ecfe th\u1ec3 ch\u1ea5t.<\/p>\n\n\n\n
R\u1ea5t c\u00f3 th\u1ec3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 gi\u1edbi t\u00ednh, th\u1ec3 ch\u1ea5t, t\u00e2m l\u00fd, v\u00e0 h\u00e0nh vi khi\u1ebfn nam gi\u1edbi c\u00f3 xu h\u01b0\u1edbng l\u1ea5n \u00e1t ph\u1ee5 n\u1eef, v\u00e0 ph\u1ee5 n\u1eef c\u00f3 v\u1ebb \u00edt c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1ef1 l\u1ea1i s\u1ef1 th\u1ed1ng tr\u1ecb t\u1eeb nam gi\u1edbi.<\/p>\n\n\n\n
Tuy nhi\u00ean, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 gi\u1edbi t\u00ednh l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ee7a m\u1ee9c \u0111\u1ed9 h\u01a1n l\u00e0 kh\u00e1c bi\u1ec7t v\u1ec1 lo\u1ea1i. V\u00ed d\u1ee5: \u0111\u00fang l\u00e0 v\u1ec1 m\u1eb7t sinh h\u1ecdc, nam th\u01b0\u1eddng cao h\u01a1n n\u1eef gi\u1edbi, nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 n\u1eef gi\u1edbi kh\u00f4ng th\u1ec3 kh\u00f4ng cao h\u01a1n nam gi\u1edbi <\/strong>v\u00e0 nam gi\u1edbi kh\u00f4ng th\u1ec3 kh\u00f4ng th\u1ea5p h\u01a1n n\u1eef gi\u1edbi. Ch\u1ec9 l\u00e0 khi t\u00ednh theo gi\u00e1 tr\u1ecb trung b\u00ecnh, nam gi\u1edbi th\u01b0\u1eddng cao h\u01a1n v\u00e0 n\u1eef gi\u1edbi th\u01b0\u1eddng th\u1ea5p h\u01a1n. Nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1 c\u0169ng \u00e1p d\u1ee5ng cho nh\u1eefng kh\u00e1c bi\u1ec7t kh\u00e1c \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 \u1edf tr\u00ean.<\/p>\n\n\n\n