Ovariohysterectomy vs. Ovariectomy

 

Ovariohysterectomy vs. Ovariectomy: Understanding the Difference and Why Ovariectomy May Be a Better Option



For years, the standard spay procedure for female dogs and cats in the U.S. has been the ovariohysterectomy (OHE)—a surgery that removes both the ovaries and the uterus. However, many veterinary clinics, including ours, are now offering an alternative: ovariectomy (OVE), which removes only the ovaries while leaving the uterus intact.

Both procedures effectively prevent pregnancy and eliminate heat cycles, but OVE offers some key advantages that pet owners should consider. Let's break down the differences, risks, and benefits of each surgery to help you make an informed decision for your pet.

What is an Ovariohysterectomy (OHE)?

Ovariohysterectomy, commonly known as a traditional spay, involves the removal of both the ovaries and the uterus. This has been the standard procedure in the U.S. for decades.

Benefits of OHE:

✅ Prevents pregnancy and eliminates heat cycles
✅ Reduces the risk of mammary cancer (if done before the first or second heat cycle)
✅ Eliminates the risk of pyometra, a life-threatening uterine infection

Risks of OHE:

⚠ Longer surgery time, which can slightly increase anesthesia risks
⚠ More tissue removal, leading to a larger surgical site and potentially more discomfort post-op
⚠ Higher risk of surgical complications such as bleeding and adhesions

What is an Ovariectomy (OVE)?

Ovariectomy is a newer approach in the U.S. but has been the standard procedure in many European countries for years. In this surgery, only the ovaries are removed, while the uterus remains intact.

Benefits of OVE (Compared to OHE):

✅ Less invasive surgery – Smaller incision, less tissue removed
✅ Shorter surgery time – Reduces anesthesia risks
✅ Faster recovery – Less discomfort post-op and lower risk of surgical complications
✅ Eliminates risk of ovarian diseases while still preventing pregnancy and heat cycles

Common Concerns About OVE:

❓ Does leaving the uterus increase the risk of pyometra?

  • No, because pyometra is a hormone-driven disease, and once the ovaries are removed, the hormonal stimulation that leads to pyometra is gone.

❓ Can the remaining uterus cause health issues later on?

  • Studies have shown that the risk of developing a uterine disease without hormonal influence is extremely low.

OVE vs. OHE: Which Is Better?

OVE provides the same health benefits as OHE while offering a shorter, less invasive procedure with fewer risks. Because of these advantages, our clinic is now offering OVE as an alternative to the traditional spay procedure.

Why We Recommend OVE at Our Clinic:

✔ Less surgical trauma = faster recovery
✔ Shorter surgery time = lower anesthesia risks
✔ Smaller incision = reduced pain and complications
✔ Still eliminates heat cycles, pregnancy risk, and hormone-related diseases

While OHE remains a valid option, OVE is a safer, more modern approach that provides the same long-term benefits with a gentler surgical experience for your pet.

If you have any questions about which procedure is right for your pet, feel free to contact us—we’re happy to discuss the best option based on your pet’s health and needs! 🐾

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