Doctor insights on:
Does Avastin Reduce Male Fertility
No (so far): Avastin (bevacizumab) is a monoclonal antibody that inhibits blood vessel growth. It can impair fertility in women, but i don't find any studies that show reduction in male fertility. For the fda prescribing information with all side effects, go here: http://www.Gene.Com/gene/products/information/pdf/avastin-prescribing.Pdf. ...Read moreSee 2 more doctor answers
It doesn't (so far): Avastin (bevacizumab) is a monoclonal antibody that inhibits blood vessel growth. It can impair fertility in women, but i don't find any studies that show reduction in male fertility. For the fda prescribing information with all side effects, go here: http://www.Gene.Com/gene/products/information/pdf/avastin-prescribing.Pdf. ...Read moreSee 1 more doctor answer
Unsure: Avastin (bevacizumab) has shown to be deterimental to female reporuductive potential with up to 30-35% have serious complications (ovarian failure). To my knowledge there are no studies on men. Any chemotherapy has the potential risk of causing fertility issues in the future. You may want to consider freezing sperm with a sperm bank or your local reproductive endocrinologist. Also talk to your oncologist. ...Read more
A suspect drug: Allopurinol helps halt cell division and cell division is critical for sperm production at 1000 sperm being produced per heartbeat. Talk to your doctor and you must balance quality of life off of Allopurinol (i.e. More gouty pain) with fertility issues taking it. ...Read moreSee 1 more doctor answer
No: It doesn't, at least not consistently.Get a more detailed answer ›
Hot Rocks!?: Many people believe that the varicocele increases the heat in the scrotum. The heat may be the cause of sperm damage. Not every varicocele causes a decrease in semen quality. Sperm motility is often most affected. Surgery or embolization can be helpful but often it is unclear if needed. Always check partner too. I like sperm function tests like acrosome reaction to help decide on treatment. ...Read moreSee 1 more doctor answer
Yes: Tamoxifen is most commonly prescribed for the treatment of hormone (+) breast cancer. While tamoxifen may cause birth defects during pregnancy, it actually can increase ovulation, thus increasing fertility. Accordingly, premenopausal women taking tamoxifen for breast cancer treatment must use (nonhormonal forms of) birth control. ...Read moreSee 1 more doctor answer
Thyroid & fertility: Thyroid meds are not gender-specific: same ones are used for both men & women. Both underactive & overactive thyroid can adversely affect male fertility; so treating these conditions can help restore normal function. Different meds are used for treating hypo- & hyperthyroidism. Discuss with your doc yur thyroid status & what meds you need. ...Read more
Fertility: To improve fertility, eat a healthy diet, take a prenatal vitamin, get exercise, and avoid smoking, drugs, and alcohol. Also be sure you see a doctor for a "pre-conception" visit to make sure you are in optimal health before becoming pregnant. Smoking & alcohol can decrease your fertility. STDs such as gonorrhea and chlamydia can also decrease fertility. ...Read moreSee 1 more doctor answer
Dose-dependent: Regardless of dose, all male patients even considering fathering children in the future should ask about fertility preservation (such as sperm cryopreservation) before any treatment with radiation or chemotherapy. This is an extremely important point that all patients and multi-disciplinary physician teams should be proactive about so that fertility options are explored prior to treatment. ...Read moreSee 1 more doctor answer
Yes: Both can have direct toxic effects at level of testicles. Smoking can create "oxygen radicals" that can directly effect sperm membranes and function of sperm. Both can have indirect effect at level of hypothalmus and pituitary, particularly alcohol, and effect stimulation properties on testicular production of sperm. Lastly, from testicles to ejaculation is 90d, thus effect can be long lasting! ...Read moreSee 3 more doctor answers
30 and 50: Everyone's fertility is a little different, but it is possible to detect about a 10% decline in fertility rates in women around age 32. By age 35 a woman's fertility is half that at age 20. For men the effect happens later, around age 50-60. Differences in health history have significant effects on this, so check with your doctor for your personal fertility evaluation. ...Read moreSee 1 more doctor answer
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