Patient's question:
I have prominent male characteristics, abundant body hair, and an erect penis measuring 10cm-12cm. I do not have gynecomastia. I started developing at the age of 12, and from 9 to 14, I practiced weightlifting at a part-time sports school, making my body strong. Pre-pregnancy tests revealed a problem with chromosomes. The karyotype analysis report described it as: 46, XY/47, XXY (98/2).What kind of help do I need: What does the fetal chromosome karyotype analysis result mean?
Doctor's answer:
Karyotyping is a meticulous examination technique for chromosomes, traditionally involving careful observation of chromosomal morphology. In recent years, fluorescent in situ hybridization (FISH) technology has been adopted, where fluorescently labeled probes are used to detect and mark specific loci on chromosomes. This allows for precise examination of single-base mutations in the DNA chains on chromosomes, significantly improving the accuracy of karyotyping.Karyotyping is a fundamental method in cytogenetics and an essential tool for studying the evolution, classification, and relationships between chromosomal structure, morphology, and function of experimental species. After karyotyping, it is possible to infer the etiology of a biological condition based on variations in chromosomal structure and number, such as identifying which genes are missing or altered to cause a particular disease.