Most of us know that the number of sperm varies throughout the day, but do you know how it varies from time to time, and which time of day will increase or decrease the conception rate? Many parents are eager to have a child and have a rich sex life, but they are slow to conceive, so when is the best time to conceive? Any couple would like to have a smart and healthy child. In addition to the daily exercise and health maintenance of men and women, scientific studies have shown that choosing the right time to conceive is also a very important factor. A good time to conceive is when both spouses are in good psychological condition, especially when they are in good spirits and free from any worries. Women who have been taking oral contraceptives for a long time should stop using them for two months before conceiving. Three months before conception, both men and women should avoid smoking and alcohol and be in good nutritional condition. When the human physiological clock projects that intelligence, physical strength and emotion are in the best condition, this method should be dominated by the woman, and it is not easy to think that both men and women are in the best condition. Choose the season of conception, it is better to conceive in July and August and give birth in April and May. In the month before conception, the number of intercourse should not be too frequent, and it is best to succeed at once according to the female partner’s ovulation period. When both partners have a strong sexual need. It is advisable to choose the time of intercourse in the morning before waking up, and not at night before going to sleep, because the night are more tired, and the morning after rest, full of energy. And in the morning, women are easy to measure ovulation and male hormone levels are high. To catch a good windy and sunny day. Not to watch horror movies and TV during conception, and to walk more in a beautiful natural environment. It is impossible for anyone to do such ten principles, which are just for the reference of newlyweds. If we say which one is the most important, of course, we have to be in the best condition physically and mentally. After knowing the best time to conceive, it is important to understand the time to be able to detect conception. So, how many days can conception be detected? Human chorionic gonadotropin (HCG) is a glycoprotein-like hormone produced in the body of a woman who has conceived, and is present in large quantities in the blood and urine of a woman who has conceived. The secretion of HCG starts on the 6th day after fertilization of the egg and can be detected after 11 days, and the secretion of HCG increases rapidly in early pregnancy, doubling in 1.7-2 days, while HCG cannot be detected in the urine of normal non-pregnant women. The morning urine is more accurate if you are newly pregnant. Generally after two weeks the test can already determine whether you are pregnant or not. 1, generally 15 days after sex can be tested with test strips, after a week can be done blood HCG clear diagnosis of pregnancy. 2.Ovulation is around day 14 of the menstrual cycle, assuming that fertilization is successful at this time, it takes 6 or 7 days at the earliest for the fertilized egg to produce HCG, and the pregnancy test is determined by measuring the urine HCG. It takes at least 11 days for the egg to settle. Therefore, if you want to be more accurate, you should wait for 11 days after the earliest 6 days, which is more accurate then. 3. Using a pregnancy test can easily and accurately test whether a woman is pregnant or not, so it is very useful for women to know when to use a pregnancy test. However, pregnancy test is not very accurate, so if you want to be sure whether you are pregnant or not, it is better to go to the hospital to check. 4. It is recommended to try to use the first urine in the morning for testing, because the hormone level at this time is the easiest to detect. If you use it at night, you should let the urine in the bladder for at least four hours to detect it. In addition, do not drink too much water in order to increase urine, as this will dilute the hormone levels.