Over the last forty years, in vitro fertilization, which has expanded to assisted reproductive technologies (ART), has gone from an experimental procedure to the mainstay of infertility treatment. A technique that onc...
Background: With the accumulating evidence of semen difference between distinct populations we decided to conduct a population-based prospective study to assess the reproductive capabilities of the Bulgarian males. Ob...
Rapid freezing and vitrification are becoming popular for human sperm cryopreservation;however, it remains unclear which method is better. The aims of the present study were to determine the optimal trehalose concentr...
BACKGROUND: The first successful pregnancy from a frozen-thawed embryo transfer (FTET) was reported in 1983 and after more than three decades, significant changes have been introduced into clinical practice. OBJECTIVE...
Background: As regard to adjuvant supplementations, nowadays dehydroepiandrosterone (DHEA) is widely used all over the world and is considered to be a potential agent to ameliorate the assisted reproduction technologi...
OBJECTIVE: To assess the effect of vitamin D supplementation on enhancement of embryos implantation rates in intracytoplasmic sperm injection procedures. STUDY DESIGN: A randomized double-blinded controlled trial. SET...
Assisted reproductive technology (ART) laboratories represent the marriage of the most basic of biological activities with the most cutting edge technologies. While this association has worked well, the mixture of bio...
Obesity has become a well-recognized medical issue. However its exact role in male infertility remains unclear. The objective of the current study was to determine if an increase inBMIis associated with an increase in...
Maternal age is a significant factor in infertility treatment. Ovarian function and oocyte quality decrease with age, whereas the frequency of chromosomal abnormalities increases. In this study, improvement of oocyte ...