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Reasons for a Two-Week-Early Period

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Reasons for a Two-Week-Early Period Auremar/PhotoSpin

The menstrual cycle occurs in all females from the onset of puberty (average age of onset 11 or 12 years) and continues until the menopause in middle age. Blood is lost from the uterus via the vagina as the lining of the uterus is shed.

This occurs if it is not needed for a newly fertilized embryo, i.e., the girl or woman is not pregnant.

Menstrual bleeding can last anywhere from two days to seven days. The average length of time between periods is 28 days but this can vary and be anything from 24 to 35 days.

Periods are usually regular so if one turns up two weeks early it can take you by surprise.

Reasons for an early period may include:

Young age
If you’re a pre-teen or teenager who has only just started menstruating, you may find that it takes months for your periods to settle down and become regular.

Your method of contraception can affect your menstrual cycle
If you have taken the emergency morning after pill after having unprotected sex, it is designed to bring on your period early. You may also find that after you have taken it, it causes irregular vaginal bleeding. This is one of the side effects.

The regular contraceptive pill can disrupt your cycle
The artificial hormones in it are designed to make your body think it is already pregnant (that is why pregnancy cannot usually occur when you take it).

However, if you’re on a pill-free week and you’ve only just started taking the pill, you may bleed during this week even if the time is different from your usual cycle.

Likewise, if you suddenly stop taking the pill, the drop in hormones may cause you to bleed. If you are using a copper only IUD, this can make you bleed more heavily and have irregular periods.

A sexually transmitted infection can cause bleeding in between periods
You may mistake this for another period. The bleeding is usually lighter than a period.

A sudden loss of a lot of weight or a sudden gain of a lot of weight can disrupt your period
This is because of changing hormonal levels.

Being stressed out can bring on your period early or stop it altogether

Add a Comment2 Comments

EmpowHER Guest

hi I just cam on period on 31st October till 3rd November after many time I had sex with my husband , I also had sex on 11th, 12th and 13th November unprotected , today is 14th November in morning time I feel wet so going to check so show that periods is start like first day of periods , I m very tensed how it is possible. why that thing happen still 15 to 16 day remaining in my next periods then why periods start.

November 14, 2016 - 5:11am
EmpowHER Guest

Hi Susan,

I got my periods on the 10th of February and it went on till the 14th of February. My boyfriend was in town and we had protected sex on the 14th. Also, I took an emergency pill (i-Pill) within 36 hours. Today, 9th day from the last time I engaged in any sexual activity, when I went to the washroom, I noticed slight bleeding. I have mild cramps as well. I am worried that it could be implantation bleeding.

How can I be certain of it?

February 23, 2016 - 4:50am
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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