The menstrual cycle may not be very certain. If most of the concerns arise when it arrives too late, the truth is that it can also arrive earlier than expected.

Doctors Rachel High and Keri Peterson reveal to Women's Health magazine some of the reasons why this situation can happen. See if this is your case and if you need to schedule a specialist appointment.

Read Also: How to strengthen the immune system during menstruation (Portuguese version)

You may be pregnant

In fact, it is not menstruation, but it can be confused since they are a few drops of blood. It is something that can happen in the first trimester.

You have an abnormal endometrium

It is best to consult your doctor.

You have cervical abnormalities

It may even indicate cysts or some infection.

Uterine fibroids

Menstruation can also be painful and uncomfortable.

You have hormonal problems

They can be frequent and a medical examination can find out their cause.

You are under stress

It can increase cortisol levels and affect hormones.

You are taking certain medications, supplements, and vitamins

Stopping taking the pill, for example, can disrupt the cycle.

Thyroid problems

In addition to early menstruation, increased tiredness and weight can be other symptoms to consider.

Read Also: Early menopause. 12 symptoms to watch out for (Portuguese version)