Persistent disease ; persistent GTD: If there is any evidence of persistence of GTD, usually defined as persistent elevation of beta hCG ( see « Diagnosis » below ), the condition may also be referred to as gestational trophoblastic neoplasia ( GTN ).

Persistent elevation of serum hCG levels after a non molar pregnancy ( i. e., normal pregnancy pregnancy, or preterm pregnancy, or ectopic pregnancy taking place in the wrong place, usually in the fallopian tube, or abortion ) always indicate persistent GTD ( very frequently due to choriocarcinoma or placental site trophoblastic tumour ), but this is not common, because treatment mostly is successful.

Persistent elevation of a counterregulatory hormone can reduce a person's sensitivity to insulin.

Persistent elevation of uric acid above 6. 5 mg / dl warrants treatment with allopurinol to prevent uric acid deposition in kidneys and joints.

Persistent suggestions, based on a similarity of hair colour, have been made that Harry's father is actually James Hewitt, with whom Diana had an affair.

The Protocol to the 1979 Convention on Long-Range Transboundary Air Pollution on Persistent Organic Pollutants is an agreement to provide for the control and reduction of emissions of persistent organic pollutants ( POPs ) in order to reduce their transboundary fluxes so as to protect human health and the environment from adverse effects.

The Stockholm Convention on Persistent Organic Pollutants, which entered into force in 2004, is an international legally binding agreement for the control of persistent organic pollutants.

Persistent fever that cannot be explained after repeated routine clinical inquiries is called fever of unknown origin.

Persistent stress that is not resolved through coping or adaptation, deemed distress, may lead to anxiety or withdrawal ( depression ) behavior.

: C. Persistent refusal to accept medical advice that there is no adequate physical cause for the symptoms or physical abnormality, except for short periods of up to a few weeks at a time immediately after or during medical investigations.

Persistent infection with " high-risk " HPV types — different from the ones that cause skin warts — may progress to precancerous lesions and invasive cancer .< ref name =" pmid12873163 "> HPV infection is a cause of nearly all cases of cervical cancer .< ref > However, most infections with these types do not cause disease.

Persistent suggestions have been made in the media that Hewitt, and not Charles, is the biological father of Prince Harry.

For corneal epithelial diseases such as Stevens Johnson Syndrome, Persistent corneal ulcer etc, the autologous contralateral ( normal ) suprabasal limbus derived in vitro expanded corneal limbal stem cells are found to be effective as Amniotic membrane based expansion is controversial.

Persistent injury to the nerve is also a common cause through either repetitive motion or by applying pressure externally along the route of the radial nerve as in the prolonged use of crutches or extended leaning on the elbows.

The document condemns any impression of assent to inferiority and submissiveness and indicated an absolute refusal to apologize for complaining loudly and insistently stating that " Persistent manly agitation is the way to liberty ".

( The Work Group is considering alternative wording: " Persistent difficulty discarding or parting with possessions, regardless of their actual value.

** Persistent, heavy vomiting that is not relieved by not eating

Persistent is when symptoms occur > 4 days / week and > 4 consecutive weeks.

Persistent hyperplastic primary vitreous ( PHPV ): congenital developmental anomaly of the eye resulting from failure of the embryological, primary vitreous and hyaloid vasculature to regress, whereby the eye is shorter, develops a cataract, and may present with whitening of the pupil.

Persistent pupillary membrane ( PPM ): PPM is rare, but possible.

Persistent presence of more than 30 mg albumin per gram creatinine in the urine is diagnostic of chronic kidney disease ( Microalbuminuria is a level of 30 – 299 mg / g ; a concentration of albumin in the urine that is not detected by usual urine dipstick methods ).

Its use for agricultural purposes has since been prohibited by national legislation of most countries, while its use as a control against malaria vectors is permitted, as specifically stated by the Stockholm Convention on Persistent Organic Pollutants

Access to electronic documents is provided through Persistent Uniform Resources Locators ( PURL ) and is facilitated by GPO Access and the Catalog of U. S. Government Publications ( CGP ).

Persistent rumours about the activities of the party treasurer Michael Ashcroft furthered this impression.

; Persistent truncus arteriosus: Defect in that the truncus arteriosus fails to divide.

Persistent economic problems still remain and include a rather high unemployment rate ( 9. 6 % in 2007 ),

* Persistent vegetative state ( vegetative coma )— deep coma without detectable awareness.

" Ethical Questions Raised by the Persistent Vegetative Patient.

Persistent organisms remain viable as they are capable of returning to a normal growth state once conditions in the host cell improve.

Persistent infection of the cervix over the years can cause irreversible changes leading to carcinoma in situ and eventually invasive cervical cancer.

Persistent use of the veto can also be overturned by the Commons, under a provision of the Parliament Act 1911.

Persistent urban legends, however unlikely, often maintain at least a degree of plausibility, for instance a serial killer deliberately hiding in the back seat of a car.

" Persistent Whiggery in the Confederate South, 1860-1877 ," Journal of Southern History, Vol.

Persistent attempts by the Israeli government to identify another Palestinian leader to represent the Palestinian people failed.

Persistent flushing and other symptoms may indicate deficiencies in one or more of the cofactors responsible for this enzymatic cascade.

Persistent allergic conjunctivitis may also require topical steroid drops.

Depending on the temperature and humidity at the altitude the contrail forms, they may be visible for only a few seconds or minutes, Persistent contrails are thought to have a significant effect on global climate.

Due to PCBs ' environmental toxicity and classification as a persistent organic pollutant, PCB production was banned by the United States Congress in 1979 and by the Stockholm Convention on Persistent Organic Pollutants in 2001.

According to the Stockholm Convention on Persistent Organic Pollutants, 9 of the 12 most dangerous and persistent organic chemicals are pesticides.

Persistent stimulation of thyroid-stimulating hormone receptors ( TSH-Rs ) may be involved.

Persistent themes include aging, delusional behavior, bad relationships, death, and the personification of inanimate objects.

Persistent attacks eventually forced the German troops holding the south-western portion of Hill 145 to withdraw, but only after they had run out of ammunition, mortar rounds and grenades.

Due to the toxicity of PCBs and their classification as persistent organic pollutants, PCB production was banned by the U. S. Congress in 1977 and by the Stockholm Convention on Persistent Organic Pollutants in 2001.