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Assisted reproduction: check out the physical characteristics that couples prefer when choosing the donor

Assisted reproduction: check out the physical characteristics that couples prefer when choosing the donor

The difficulty of getting pregnant affects 1 in 10 couples in Brazil, according to the World Health Organization; As a way to find an alternative to infertility, many couples use assisted human reproduction techniques.

Brazil has different banks of semen. However, the legislation makes it possible for assisted human reproduction techniques to be performed also through the use of biological material from foreign donors.

Recently, the National Agency of Sanitary Surveillance issued the 1st Report on Import of Seed Samples for Use in Assisted Reproduction as a way of presenting the information related to the importation of this biological material.

For the creation of the report, some criteria were taken into account, such as the phenotypic characteristics of donors of semen between the period from 2014 to 2016 and the profile of applicants at the same time. The study also considered the profile of the couples who requested the seminal samples and the sample delivery region.

Appearance Characteristics

The phenotype is the set of characteristics related to a person's appearance, such as hair color, of the eyes, shape of the ears and nose, height and blood group.

Seminal samples imported from 2014 to 2016 were obtained from 362 different donors, from which the following characteristics were considered: ethnicity, color of eyes and color

Ethnicity

Regarding the ethnicity of the donors, the majority requested by Brazilians is white Caucasians (95%).

Eye color

Among the color of the eyes, the requested preference is the blue-eyed (52%), followed by asians with 21%, latin (18%) and multiethnic (15%). Following are the brown eyes (24%), green (13%), hazelnuts (11%).

Profile of the persons requesting the samples

According to the medical reports received and analyzed, mostly due to: a) heterosexual couples, with husbands having infertility problems, mainly azoospermia (lack of spermatozoa in semen); b) by single women wishing to obtain an independent gestation; and (c) in a smaller number of applicants, there are female homosexual couples.

Sampling region

The survey also analyzed the regions of the country to which the seminal samples were sent. In total, 1011 samples were analyzed, of which 79% were destined for the southeast region, 10% for the southern region, 6% for the northeastern region and 5% for central-western Brazil.


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