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女性的尿道较短且直,性生活时外阴的细菌可能逆行而上进入尿道,引起尿道炎、膀胱炎。对于女性而言,性爱后及时排尿,有利于冲洗尿道,避免感染。不过,男性如果在性爱后急于排尿,百害而无一利。男性的尿道长且弯曲,尿液通过的阻力大、时间长。性爱刚结束,阴茎海绵体充血尚未消退,尿道括约肌和逼尿肌的收缩尚未消除,这就引起尿道阻力高,导致排尿困难,甚至尿不出来。如果这个时候急于排
Female urethra shorter and straight, genital bacteria may be retrograde sexually entered the urethra, causing urethritis, cystitis. For women, timely urination after sex is conducive to flushing the urethra to avoid infection. However, if men are in a hurry after urination urination, Hundreds harmless. Men’s urethra long and curved, urine through the resistance, a long time. Just ended sex, penile congestion has not yet subsided, urethral sphincter and detrusor contraction has not yet been eliminated, which led to high urethral resistance, resulting in dysuria, and even urine out. If this time rush to row