<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi my partner and I want to have a baby he already has a six year old son but I have no kids of my own and we want to make the family a little bigger. we have been trying for four months and nothing is happened I calculate all my ovulation days and its not working is something maybe wrong  <response>: Hello, I would be happy to help you with your question. Here is what I recommend to patients:1. Count the first day of your cycle as day 12. Most women ovulate on day143. Abstain from intercourse except for days 101214164. Use an over the counter ovulation predictor kit to see how well you are timing things It is normal to take up to a year to conceive. I hope that this helps and good luck! 