In the journey to parenthood, male infertility is not uncommon, accounting for up to 40% of cases in some families. Common causes of male infertility mainly include sperm production and functional disorders, such as azoospermia (absence of sperm) or oligospermia (insufficient sperm count). These issues may arise due to blockages in the reproductive tract, hormonal imbalances, or testicular dysfunction. The quantity and quality of sperm directly determine sperm motility and the ability to fertilize an egg. As a result, even a reduced sperm count can significantly increase the difficulty of conception. Additionally, lifestyle habits and advancing age can also impact fertility, adding psychological stress to some couples. 

For Mr. Zhang and his wife, learning that male infertility was a factor in their struggles was undoubtedly a heavy blow. They had attempted natural conception but only discovered the underlying issue after multiple failures. A comprehensive medical examination revealed that Mr. Zhang was diagnosed with oligospermia, meaning his sperm count was significantly lower than normal, making natural conception difficult. This realization made them aware that achieving their dream of having children might require medical intervention. 

Following their doctor’s advice, the couple opted for third-generation in vitro fertilization (IVF) technology (PGT-A). Compared to traditional IVF methods, third-generation technology not only screens embryos for chromosomal health but also allows for more personalized family planning, such as gender selection. For couples aspiring to have "both a son and a daughter," third-generation IVF provides a scientifically sound solution. By performing genetic screening on embryos, this technology ensures healthy embryonic development while giving parents the opportunity to fulfill their vision for their family. 

After undergoing embryo screening and transfer, Mr. Zhang welcomed healthy boy-and-girl twins through egg donation and surrogacy. Their dream of building a complete family was realized with the support of modern medicine. This solution not only helped them overcome infertility challenges but also brought renewed hope and joy to their lives. Today, their two children are thriving, and this couple deeply appreciates the transformative power of IVF technology. 

For prospective parents facing similar difficulties, COSTAIVF Sperm Bank offers a variety of options and support to help every family achieve their unique happiness. If you are seeking a scientific and secure fertility solution, feel free to consult COSTAIVF and Dr. Nathan Zhang to take the first step toward building your beautiful family.