Predict your chance of conceiving naturally, in any given month.

Your chance of conceiving, in any given month is:

  1. How old are you?
  1. How long have you been trying to conceive?
  1. Do you smoke?
  1. Do you drink more than 2 standard drinks per day?
  1. Please enter your height and weight below

Your BMI is:

  1. Have you had any children previously?

50%  ChanceNatural

50%  ChanceIVF

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About this tool

Please note that if you have any of the following pre-existing medical conditions it will affect your chance of conception:
Female - PCOS, endometriosis, irregular periods, previous pelvic infection.
Male - Mumps as an adult, low sperm count, operations on your testicles.

The percentage chances of falling pregnant set out in the PregnancyPREDICTOR are based on statistical data for the population as a whole. They are intended only as a guide to help you understand general factors that affect a person's chances of falling pregnant naturally in any given month. There may be other factors individual to you that mean your chances of conceiving naturally may be different from the statistical average. For further advice about this, you should consult a fertility specialist.