What levels of hCG are considered normal? When should we be concerned about fetal development? Not losing hope is crucial.
Tag: chromosomal abnormalities
Regular medical care during pregnancy is essential in order to study the presence of fetal alterations. Ultrasound scans and analyses of certain proteins in the mother are the most common ways of doing so.
It is necessary that those men desiring to become sperm donors meet a series of strict criteria in order to be accepted as donors, ensure quality and, above all, prevent disease transmission.
This new technique can ensure the success of pregnancy in 38 years or older women who undergo assisted reproduction treatments.
The outcome of an assisted reproduction treatment is related to both oocyte quantity and quality.
Nowadays, thanks to technological advances, a pre-implantation genetic diagnosis with CGH arrays allows the evaluation of the 23 pairs of chromosomes with the aim of choosing the healthiest embryo for the transfer.
Embryo biopsy is a step in the process of PGD which consists of removing one or two cells from the embryo without compromising its normal growth so that an assessment and a genetic study of the embryo can be conducted. The biopsy can be performed before or after fertilisation, the former by biopsying the polar body, and the latter by biopsying a blastomere from the embryo on day 3 or on day 5.
Dr. Miguel Dolz of FIV Valencia tell us about the advantages and disadvantages of IVF and ICSI techniques, two of the most currently used techniques in assisted reproduction.
There are some causes which can cause a miscarriage: genetic causes, anatomical causes, physiological causes, endocrine causes and infections.