Can implantation occur 4 days after ovulation?

Embryo implantation, in other words, the whole process of the fusion of mother and child. The test tube embryo will absorb nutrients from the mother and then grow and develop rapidly. However, for pregnant women, embryo implantation is still unfamiliar. They do not understand some things related to embryo implantation, and do not know when the embryo will implant. So has the embryo implanted four days after intercourse?

Generally speaking, if the sperm and egg combine normally after ovulation, the embryo will implant within 7 days. The fertilization ability of the eggs released from the uterus and ovaries lasts about 12-24 hours, but the fertilization ability of the fusion of sperm and egg cells is only 1-2 days. The egg is fertilized in the ampulla of the fallopian tube, and then the sperm and egg combine and move slowly in the fallopian tubes on both sides, entering the uterine cavity after 3-4 days. According to doctors, pregnancy does not occur at the first intercourse. Pregnancy can only occur when a woman produces an egg and combines with a man's sperm. Generally speaking, a woman can only produce an egg in one day a month, and ovulation occurs 14 days after the next menstrual cycle.

A woman's ovulation period can be delayed or advanced due to many factors such as her mentality, work pressure, etc. Therefore, ovulation is possible five days before and four days after the ovulation period. This period of time is therefore called the ovulation period or fertile period. Couples who want to have a baby should choose the ovulation period to arrange their intercourse scientifically, while couples who want to take contraceptive measures should avoid this period to prevent pregnancy. The embryo implants 6-7 days after the combination of sperm and egg. The embryo implants in the uterus, but it is still small at that time and cannot be seen with B-ultrasound. The small fetal sac can only be clearly seen with B-ultrasound about 20-30 days after the embryo implants. However, 3-4 days after the embryo implants (that is, after the tenth day after ovulation), a weak positive result can be detected using a pregnancy test strip.

The above is a detailed introduction to whether the embryo has implanted four days after intercourse. In short, generally speaking, pregnancy occurs within 15 to 18 hours after the egg is released from the ovary. The egg life span is two days, and it is unlikely or unlikely to get pregnant if you have sex at other times. If you want to get pregnant, you should increase the frequency of intercourse during the ovulation period, so that the probability of pregnancy will be greater.