Once you are ready to make a baby you would probably love to conceive instantaneously, but in the interests of sanity it is not a bad idea at this stage to be aware of the statistics of successful conception.
For ladies under the age of 35s, it is advisable to wait a year before talking to your doctor about any kind of intervention.
For ladies between age of 35 to 39 year old, we would get onto it a little sooner. In this case, it is worth a chat with your doctor after 6 months of trying.
For ladies above 40 year old, go and see your doctor as early as possible.
If you have irregular menses, history of pelvic inflammatory disease or fibroid, do go and see your doctor as soon as possible.