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Trigas Incubators

Trigas Incubators

What is an IVF incubator?

For an IVF lab, the IVF incubators are its most important equipment. For embryos to grow in a laboratory, the conditions need to be perfect. These perfect conditions are provided by the IVF incubator. They control the temperature, humidity and the concentrations of essential gases: oxygen, carbon dioxide and nitrogen.

What are Tri-gas incubators?
Early versions of IVF incubators were the size of a washing machine and were lined with several shelves. Embryos from several patients would be stored in the incubator at the same time. This was problematic. Every time the door to the incubator was opened for the embryologist to work with the embryos, the tightly controlled environment inside the incubator would be lost. It would take the incubator an extended period of time to re-establish the correct conditions.

During this time, however, the embryos would be exposed to sub-optimal conditions. Due to the fact that several patients would be kept in the IVF incubator at the same time, the door would be opened and closed numerous times in order to work with all the different embryos when needed. Studies have demonstrated that the more times the IVF incubator door was opened, the lower the pregnancy rates would be for the IVF center.

Older IVF incubators are sometimes referred to as “single gas” or “CO2 incubators” since they only supply CO2 (carbon dioxide). IVF incubators incorporating the newest technologies are referred to as “tri-gas” or “low oxygen” IVF incubators. Studies have shown that tri-gas incubators have superior embryo development and improved pregnancy rates compared to older CO2 incubators.

Fast Facts:

Advantages of this technology are

Minimizes the level of contamination and condensation

Provides a perfect
ambience for
cell culture

Offers both CO2 and O2 control using nitrogen gas to displace the ambient air

Doctor Speaks


Egg retrieval is the first step in IVF, where the mother’s eggs are extracted from her ovaries, after she takes hormone-inducing medications, to fertilize them in a lab with sperm. The resultant embryos are inserted back into the uterus for implantation.
Intrauterine insemination (IUI) is among the most frequently employed infertility treatments for couples who have been unable to conceive. While IUI benefits many couples, it is not always an assured remedy for all. Therefore one must be aware of why IUI fails and what should be done afterwards.

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