Ovulation calculator

How to calculate the fertile days?

If you want to know when your fertile days will be, observe your body carefully. In order to calculate them successfully, you should know the average duration of your menstrual cycle and the number of days your last menstruation lasted for.

How does the ovulation calculator work

The ovulation calendar will calculate and indicate when your next infertile and fertile days and ovulation begin. However, remember that there are various factors which may lead to their shift.

Fill out the form’s data

symbols meaning::

period

fertile days

ovulation

Free application - Bella Calendar

Do you want to know when your next fertile days are? Download our application to your smartphone, enter the data in your personal mobile Calendar and have your cycle under constant control!

When are my fertile days?

  • Increased body temperature - regular measurement of temperature will enable you to assess whether your ovulation is actually due to start. During ovulation, body temperature increases to around 37 degrees.

  • The amount of mucus increases significantly during ovulation and its consistency changes from runny to thick, resembling egg whites.

  • Stomach pains usually occur on the first day of bleeding and may transfer towards the lumbar area. Usually the pain eases during the menstruation.

  • Cervical changes - during fertile days, the cervix is softer leans to the front.

What influences the shift of fertile days?

Menstruation should appear regularly, in appropriate cycles. Observe your body and if there are significant irregularities, it is best to go the doctor. What disturbances are we talking about?
- abundant bleeding lasting for a few hours
- menstruation starts more often that 21 days
- menstruation lasts longer than 7 days
- pains in lower abdomen and bleeding appear suddenly, completely unrelated to the menstruation.

Period calculator

Do you want to know when your next menstruation is? Check our menstruation calendar which will help you calculate it.

see more

Explore the products of

show all

Cotton pads with aloe vera extract Bella Cotton Care

Bella Regular Drai Wings

Bella Regular Drai

get to know Bella Perfecta products

application for women

Welcome again! Login

Log into Bella Woman, read e-magazine, watch the latest movies and check the news in the World of Bella Energy!

If you don't have account - Sign up here

Login
forgot your password

Sign up now!

Sign up now and join elite club of Bella Woman. Keep abreast with news from World of Bella. Want to see more? Be first to know about our contests, promotions and latest energy news! Subscribe into elite club of Bella Woman. Join the World of Bella!

Already have an account? -

The user name must be at least 4 characters
The password must be at least 6 characters
Register

Bella's newsletter

Jeśli chcesz otrzymywać porcję energetycznych informacji z Bella Woman na swoją skrzynkę mailową już dziś zapisz się do bezpłatnego newslettera..

Facebook
YouTube
Blog