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Finasteride, at doses of 5mg or higher, may negatively affect male fertility by reducing the expression of certain genes involved in sperm production.

Men and women in infertile couples feel using donor sperm may cause more stress and marital issues than using donor eggs.

Method detects finasteride in plasma and semen with high sensitivity and accuracy.

The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.

Products should be called 'sperm-safe' only after thorough, well-designed tests.

A new method accurately measures cell changes in breast cancer.

The 2024 guideline updates recommendations for genetic testing, imaging, and sperm retrieval in male infertility.

Younger Klinefelter Syndrome patients have a better chance of successful sperm extraction.

Certain maturity signs appear before and after the first release of sperm in boys.

Platelet-rich plasma may improve embryo genetics in IVF.

Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.

A stable sheep ovarian cell line was created for studying reproduction and hormones.

Scientists restored fertility in male mice lacking a key fertility gene by using a modified gene.

Losing weight, fixing varicoceles, and using advanced sperm selection methods improve male infertility treatment outcomes.

Androgens regulate Sertoli cells and affect fertility through specific receptors and coregulators.

The trichogram is a practical, non-invasive, and cost-effective tool for diagnosing female androgenetic alopecia.

Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.

The new method showed that endometriotic tissue has lower estrogen receptor levels but similar progesterone levels compared to normal endometrium, with both following a similar cycle.

Infertility requires quick, thorough, and cost-effective evaluation, including medical history, physical exams, and psychological support.

Short-term finasteride use likely doesn't harm male fertility.

Ultrasound and color Doppler can help diagnose and decide treatment for early puberty in young girls.

The conclusion is that women under 35 should start fertility checks after 12 months of trying to conceive, women over 35 after 6 months, and women over 40 should start immediately. The checks should include ovulation status, reproductive tract structure, and male partner's semen evaluation.

Diagnosing sex development disorders requires combining medical history, physical exams, imaging, lab tests, and genetic data.

Overexpressing a specific enzyme in mice causes hair loss and female infertility.

Age is more important than BMI for IVF success in women with infertility and PCOS.