Fertility by Age Calculator
Understand fertility changes and pregnancy chances at different ages
Fertility by Age Overview
20-24 years
Peak fertility period with highest pregnancy rates
90-95%
Pregnancy rate/year
25-29 years
Excellent fertility with high pregnancy success
85-90%
Pregnancy rate/year
30-34 years
Good fertility with slight decline
75-85%
Pregnancy rate/year
35-37 years
Moderate fertility with noticeable decline
60-75%
Pregnancy rate/year
38-40 years
Declining fertility, increased time to conception
40-60%
Pregnancy rate/year
41-44 years
Low fertility, significantly reduced chances
20-40%
Pregnancy rate/year
45+ years
Very low natural fertility, IVF often needed
5-20%
Pregnancy rate/year