What are your chances of still being pregnant when you are trying to conceive and have a negative pregnancy test? What are your chances of getting a positive HPT if you are pregnant? This calculator shows your chances of still being pregnant with a negative pregnancy test on different days of your menstrual cycle:
Pregnancy Chances after a Negative Pregnancy Test in Relationship to Ovulation and the Days before or after the Expected Period.
Dates are based on the fact that in each menstrual cycle there is an about 25% chance of getting pregnant as well as a scientific study published by Wilcox in JAMA in 2001.
Your chance of getting pregnant each month may be different depending on your age, certain medical issues, whether you ovulate or not, and if you are trying to get pregnant with IVF or other fertility medications.