經(jīng)期過長(zhǎng)指的是經(jīng)行時(shí)間7天以上,乃至淋瀝持續(xù)達(dá)半個(gè)月左右方凈,月經(jīng)量很少,或稍超過一切正常量者,稱之為"經(jīng)期過長(zhǎng)"。經(jīng)期過長(zhǎng)應(yīng)與月經(jīng)過多、月經(jīng)崩漏相辨別,可是經(jīng)期過長(zhǎng)遷延日久,也可產(chǎn)生月經(jīng)崩漏。那麼,例假提前經(jīng)期時(shí)間長(zhǎng)的原因有什么呢?造成月經(jīng)時(shí)間長(zhǎng)的普遍原因有六個(gè)。


