概述

了解一段时间的“正常”将有助于您确定您的月经实际上是否光明。通常每月每月通过子宫颈和阴道脱落的子宫衬里。

您的周期通常在天数和流量水平上是一致的。妇女通常每21至35天每年一次。月经流的范围可以在两到7天之间。但是，您的周期可能会随着时间的流逝而改变，并且由于不同的情况。例如，如果您怀孕了，您将不会经历一段时间，因为衬里不会脱落。

每个女人和时期都是不同的，因此您的时期可能像发条一样或更不可预测。

您可能会担心一个灯光，如果以下时间

  • 你流血不到两天
  • 你的出血很轻，就像spotting
  • 你错过一个或多个常规时期
  • you experience more frequent light periods than the typical 21- to 35-day cycle

请记住，您可能不会出于特殊原因经历不寻常的时期，但是您仍然应该让医生知道。他们可以帮助确定可能影响您的月经周期的任何根本原因阴道出血。

光周期可能是各种原因的结果。这些包括：

年龄

如果您在十几岁的时候，您的周期可能会有所不同。另一方面，如果您在绝经，您可能会经历irregular periods流在流中。这些发生是激素失衡的结果。

体重和饮食

体重和体内脂肪百分比会影响您的月经。存在体重不足can cause your period to become irregular because your hormones are not working normally. Additionally, losing or gaining an extreme amount of weight can cause irregularities with your period.

怀孕

如果您怀孕了，那么您不太可能有一个时期。You may notice some spotting and think it’s your period, but it may actually be implantation bleeding. This can occur when a fertilized egg attaches to the lining of the uterus.植入出血usually lasts for two days or less.

Learn more: Early pregnancy symptoms no one tells you about »

哺乳

If you are breast-feeding,your periodsmay not come back immediately after you give birth. The milk production hormone prevents ovulation and delays your period from returning. You may get your period months after giving birth if you are breast-feeding.

You can still get pregnant while breast-feeding, even if your period has not yet returned. That’s because you will ovulate two weeks before your first post-natal period. If you’ve had unprotected sex while breast-feeding and are experiencing spotting, it’s a good idea to take a pregnancy test to confirm that the spotting was not caused by implantation bleeding.

计划生育

荷尔蒙节育可能是造成光周期的原因。一些birth control methodsprevent an egg from releasing in your body. These methods come in various forms, including:

When your body doesn’t release an egg, your uterus doesn’t create a thick lining. This can result in lighter periods or跳过时期共。

You may also experience irregular periods if you have started or stopped taking birth control recently.

压力

如果你是强调，您的大脑可以改变月经周期激素。因此，您可能会遇到跳过或更轻的时期。一旦压力大事通过，您的周期应恢复正常。

过度锻炼

Women who exercise frequently may experience changes to their period. Athletes can be under stress, have low body weight, and use a lot of body energy. This can result in altered periods.

Eating disorders

神经性厌食症和贪食症are types ofeating disorders这可能会导致不规则的时期。饮食失调会导致体重较低，这可以改变调节周期的激素。

多囊卵巢综合征（PCOS）

如果您经历了不规则的时期或已停止月经，则可能是PCOS。This causes a hormonal change in your body where your eggs stop maturing.

这种荷尔蒙变化也可能：

您的医生可以通过使用超声。那是因为PCOS原因cysts to form in your ovaries。If you have PCOS, your doctor will likely recommend that you lose weight and take contraceptive pills to help your period return to normal. Your doctor may also prescribemetformin(Glumetza, Riomet, Glucophage). This medication is usually prescribed for people withtype 2 diabetes，但有时会在标签外使用PCOS治疗人。它有助于控制胰岛素水平，并可能有助于改善排卵，这可以调节月经周期。

什么是标签的药物使用？

Off-label drug use means that a drug that’s been approved by the FDA for one purpose is used for a different purpose that has not been approved. However, a doctor can still use the drug for that purpose. This is because the FDA regulates the testing and approval of drugs, but not how doctors use drugs to treat their patients. So, your doctor can prescribe a drug however they think is best for your care.

Learn more: Off-label prescription drug use: What you need to know »

严重的医疗状况

异常或不规则的时期可能是健康状况更严重的迹象。常规时期表明您的身体状况良好。轻时期可能是激素水平或其他医疗状况的问题的迹象。多囊卵巢综合征和问题生殖器官可能导致不规则的时期。

与医生讨论症状可能有助于您确定比正常时期轻的原因。

任何年龄的妇女都可能有光临的风险。轻时期可能表明您的身体无法正常工作。您应该与您的医生谈谈可能导致的原因。

Women who experience no period for three months or longer may be diagnosed with amenorrhea.

阅读更多：月经问题»

您的周期可能比平常轻，没有根本原因。如果您与您的医生联系：

Additionally, contact your doctor if you notice any other concerning symptoms.

Your light period may be caused by one of many factors. It may be a one-time occurrence. If your light periods persist or you experience any troubling symptoms, you may need further treatment.

您的医生将讨论您的光周期的可能原因，并为您测试各种情况以确定适当的治疗计划。

Persistent and problematic light periods may be treated with changes to your lifestyle and medications. Sometimes, the use of hormonal birth control can help your periods become more regular. If your light periods are a sign of something more serious, treatment may include other medications or other interventions.

Light periods may not be a sign that you have something to worry about. Even a period as short as two to three days is considered normal. If you have missed a period or experienced light spotting and think you might be pregnant, take a pregnancy test. Make sure totrack your light periods并与您的医生交谈。