Health encyclopaedia 健康百科全书

Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单

Periods, absent期间，缺席

Amenorrhoea is the absence of periods (menstruation).闭经是没有时间（月经） 。 Usually, but not always, it also means no eggs are produced (anovulation).通常，但并非总是如此，这也意味着没有鸡蛋生产（无排卵） 。 In many cases, as in girls before puberty, or during pregnancy, breastfeeding or the menopause, this is normal and is called physiological amenorrhoea.在许多情况下，作为在女孩的青春期之前，或在怀孕期间，哺乳或绝经期，这是正常的，也是所谓的生理闭经。

An associated condition known as Oligomenorrhoea refers to infrequent periods, usually every three to six months which may be irregular and long.一个相关的条件，被称为oligomenorrhoea指疏时期，通常每隔三至六个月，这可能是不规则的和长期的。

Primary amenorrhoea is the failure to establish menstruation.小学闭经是未能建立月经。 It is regarded as abnormal if a girl has not started sexual physical development and menstruation by the age of 14, or if a girl with normal sexual physical characteristics has not started menstruation by the age of 16.它被视为是不正常的，如果一个女孩还没有开始性的身体发育和月经由14岁以下的，或者如果一个女孩正常性的物理特性还没有开始月经由年龄在16岁以下。 Primary amenorrhoea affects only about 3 girls per 1000.小学闭经的影响，只有约三女孩每1000名。

Secondary amenorrhoea is defined as the absence of menstruation for six consecutive months in a woman who previously had regular periods.中学闭经，是指没有月经，连续6个月，在一女，谁以前经常时期。 Secondary amenorrhoea implies a gynaecological disorder or a general cause or disease.中学闭经意味着妇科失常或一般事业或疾病。

Secondary amenorrhoea affects about 3% of girls.中学闭经影响的3 ％左右的女孩。 Up to 50% of competitive long-distance runners (running 80 miles per week) and up to 44% of ballet dancers have amenorrhoea.高达50 ％的竞争力，长期的长跑运动员（运行80英里，每星期）和多达44 ％的芭蕾舞团舞者闭经。

• References 参考
• Causes 原因
• Diagnosis 诊断
• Treatment 治疗

• Paget's disease Paget病 Painkillers 止痛药 Pancreatitis 胰腺炎 Panic disorder 惊恐症 Parkinson's disease 帕金森氏病 Patient Advice and Liaison Services 病人的咨询和联络服务 Patient and Public Involvement Forums 病人和公众参与论坛 Patient choice 病人的选择 Pelvic inflammatory disease 盆腔炎 Pemphigus vulgaris 天疱疮 Peptic ulcer 消化性溃疡 Perforated eardrum 鼓膜穿孔 Pericarditis 心包炎 Periods 期 Periods, absent 期间，缺席 Periods, heavy 期间，重型 Periods, irregular 期间，不规则 Periods, painful 期间，痛苦 Peritonitis 腹膜炎 Persistent vegetative state 持续性植物状态 PET scan 宠物扫描 Phenylketonuria 苯丙酮尿症 Phobias 恐惧症 Phosphate test 磷酸盐测试 Physiotherapy 物理治疗 Pilonidal sinus 毛窦 Plasma products 血浆制品 Plastic surgery 整形外科 Pleurisy 性胸膜炎 Pneumococcal infections 肺炎球菌感染 Pneumonia 肺炎 Poisoning 中毒 Poliomyelitis 脊髓灰质炎 Polycystic ovarian syndrome 多囊卵巢综合征 Polymyalgia rheumatica polymyalgia rheumatica Polyps, nose 息肉，鼻 Post-mortem 剖验 Post-natal depression 产后抑郁症 Post-traumatic stress disorder 创伤后应激障碍 Potassium test 钾测试 Pre-eclampsia 先兆子痫 Preconception 先入为主 Pregnancy 怀孕 Premenstrual syndrome 经前期综合征 Preoperative tests 术前测试 Pressure ulcers 压力溃疡 Priapism 阴茎异常勃起 Prickly heat 刺热 Primary biliary cirrhosis 原发性胆汁性肝硬化 Progestogen-only pill progestogen只丸 Prolapse of the uterus 脱垂的子宫 Prostate disease 前列腺疾病 Psoriasis 银屑病 Psychiatry 精神病学 Psychosis 思觉失调 Psychotherapy 心理治疗 Puberty 青春期

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