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The third week of pregnancy corresponds to the first week of embryonic development and it is not yet possible to detect it with a pregnancy test. The woman will not yet know that she is pregnant, unless she has undergone fertility treatment.. Read more

Testing the levels of male hormones, such as testosterone or dihydrotestosterone, can help discover the cause of infertility and treat it. The levels of these hormones, as well as FSH, LH and prolactin can be analysed in a simple blood test. Read more

There are many popular beliefs about whether having twins is hereditary, and the factors that affect the chances of a multiple pregnancy. One certain fact is that the situation vairies in the case of monozygotic twins (identical twins) or dizygotic twins (non-identical, fraternal twins). Read more

Fertility in men depends on the proper functioning of the male reproductive apparatus and its regulation by the endocrine system. Read more

Many women do not know that they are pregnant during the first month of gestation, when fertilization and implantation of the embryo in the uterus occurs. This is because, in this first month of pregnancy, the menstrual delay that makes the woman suspect and take a pregnancy test has not yet occurred. Read more

How long does it take a sperm to reach the egg, what is its route? We answer these and other questions about the race to fertilization. How long does it take a sperm to reach the egg, what is its route? The journey of the sperm from its formation until it reaches the egg to fertilize it is not easy. The sperm will have to go through a series of barriers and obstacles to reach the egg. Read more

Certain critical stages of the IVF process may lead to IVF cancellation, including during ovarian stimulation, egg retrieval, semen collection, or embryo transfer. Read more

Asthenozoospermia is a decrease or absence of sperm motility, making it difficult for the sperm to meet the egg for fertilization. It is a very common cause of infertility in men and is diagnosed by means of a seminogram. Read more

The price of assisted reproductive techniques is augmented by hormonal medications required, which are not included in the initial estimate. Read more

A pregnancy test can give a false negative, that is, a negative result when the woman is pregnant and has typical pregnancy symptoms. The causes of a false negative can be varied. However, it may be that the woman has a psychological pregnancy and believes she is pregnant when she is not. Read more

Male sterility may be caused by several facrtors. Each factor requires a spefiic treatment in order to have children. Male infertility is the cause in 30% of sterility cases. Read more

Saliva ovulation tests consist of a small microscope to estimate, using saliva, a woman's fertile days. In the ovulatory phase, saliva dries to form a crystal pattern that resembles "fern leaves". Observation of this pattern indicates the most fertile period. Read more