Created by Gail S. Prins PhD, at UI Chicago Andrology Lab, the OverNite Male™ Kit is the original and still the gold standard in overnight sperm banking.

For men seeking to preserve fatherhood, the OverNite Male Kit is by far the most convenient, private and cost-effective method available.
The OverNite Male Kit assures that you can securely preserve your specimen within 24 hours of your decision to do so... all from the privacy of your home.
Storage provided by Reprotech. The undisputed leader in long-term storage.
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Men who are facing chemotherapy and/or radiation therapy for testicular cancer, transurethral resection of the prostate, vasectomy surgery or who have high risk occupational exposure to toxic substances should consider long term freezing of sperm as they are at risk for sterilization, reduction in fertility potential or genetic damage. Many men in contact sports and those in military service also choose sperm banking as a means of preserving fatherhood.
Often times, due to time constraints or geography, men seeking to preserve sperm are not able to get to one our Freezing Centers throughout the country. Often men just feel more comfortable collecting their specimen in the comfort and privacy of their own home.
The OverNite Male™ Kit is the perfect answer to these concerns. OverNite Male gives men the comfort of being able to securely bank their sperm within 24 hours of their decision to do so. You can either order a kit online or by phone. Your Kit will be FedEx’d to your home with next day delivery M-Th if ordered by 1 PM Central Time. The Kit is easy to use and virtually foolproof. Once your specimen is within the storage media, it is now secure and safe for transport. You need only FedEx your kit back using the provided labels and you’ve preserved your hopes for fatherhood.
Your specimen will be processed at the University of Illinois at Chicago Andrology Labs, one of the leading labs of its kind in the world. Your specimens will then be stored at ReproTech Ltd., the leading long term storage cryobank in the world.
The OverNite Male Kit is the original over night sperm collection kit and still the gold standard. Developed by Gail S. Prins and her team at the University of Illinois at Chicago Andrology Lab in 1994 the kit is by far the simplest to use and most secure. Although, many have copied the kit, it’s important to know that they seldom match the quality and security of the original.
Due to the unique partnership of UIC Andrology Lab and ReproTech, Ltd., and their commitment and experience in fertility preservation, the OverNite Male Kite is by far the most cost effective and convenient kit to use. When you compare the true costs combined with the level of service, quality of help and the security of ReproTech’s storage, there truly is no comparison -- and for that reason, no better option to trust your hopes.
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ReproTech is the only company committed exclusively to long-term storage.
Sperm storage is fast, efficient, and reliable when you choose ReproTech.
ReproTech, Ltd. (RTL) has been providing long-term off-site embryo storage since 1990.
ReproTech uses the latest improvements in technology for long-term oocyte storage.
In 1990, ReproTech was founded for the sole purpose of providing long-term reproductive tissue storage.