Timed Intercourse: very common and used pregnancy method The timed intercourse, if used correctly and used with the right patients, can solve lots of fertility problems. This low complexity method is the first step in the ladder of assisted reproduction. It is the most simple and economic treatment. Indication for timed intercourse Young couples with less than 2 years of infertility problems, with unknown reasons for these problems. With one Fallopian tube permeable at least. Normal sperm counting. Ovulation induction and timed intercourse It consists in stimulating the ovaries with oral or injected medicines, making them produce one or two eggs. This stimulation lasts between 8 and 14 days. It is very important to have ultrasounds every 3 or 4 days to control adjunting the dose the number and growth of eggs that are being developed. When we observe through ultrasound that the folicules have the right size, this indicate that they are ready to make then ovulate through an injection. The doctor will indicate the exact moment when the medicine should be taken to ovulate, then the couple is asked to have sexual relationships 36 hours later, just in the moment when the ovulation will be taking place. This way, we are helping the ovaries to produce mature eggs and make the ovulation happen. It is a very effective method, mostly with couples whose only problem is that the woman does not ovulate. Eventhough an easy technique, as we are stimulating the ovary to produce eggs, a strict control is necessary. This control should be done by experts, through vaginal ultrasound, in order to avoid any complications such as a multiple pregnancy. We recommend to have only to try from 3 to 4 times only The success rate of this technique is between 10 and 15%. It is recommended to try from 3 to 4 times only, otherwise the couple should move to the next assisted reproduction treatment. Using another treatment is very important, as trying the same method several times is just a waste of time, eggs reserve and money. Aproximately 40% of couples that go through timed intercourse succeed after going through 4 cycles. Some, of course, can succeed in the first one, others in the last cycles.