The fetal fibronectin specimen must be collected during a speculum examination before any other vaginal exam is performed. Lubricating gels will interfere with the test results. Fetal fibronectin speciman collection kits are the only acceptable kits for specimen collection.
Degra under the name Viagra is used to treat erectile dysfunction in men. Another brand of Degra is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women. Do not take Viagra while also taking Revatio, unless your doctor tells you to. Degra may also be used for purposes not listed in Degra guide.
Degra can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking Degra, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoke or are over 50 years old.