Adriana Iliescu held the record as the oldest woman to give birth using IVF and donated egg, when she gave birth in 2004 at the age of 66, a record passed in 2006. According to a 2002 study, egg donations had a 38% success rate in cases of women past their reproductive years. Recipient and donor motivation
Intended parent motivation
Women may resort to egg donation because their ovaries may not be able to produce a substantial number of viable eggs. Women may experience premature ovarian failure and stop producing viable eggs during their reproductive years. Some women may be born without ovaries. Ovaries damaged by chemotherapy or radiotherapy may also no longer produce healthy eggs. Older women with diminished ovarian reserves or older women who are going through menopause could also become pregnant with egg donation.Women who produce healthy eggs may also elect to use a donor egg so they will not pass on genetic diseases. Donor motivation
An egg donor may be motivated to donate eggs for altruistic reasons. A survey of 80 American women showed that 30% were motivated by altruism alone, another 20% were attracted only by monetary compensation, while 40% of donors were motivated by both reasons. The same study found that 45% of egg donors were students the first time they donated and averaged $4,000 for each donation.Although the donors may be motivated by both monetary and altruistic reasons, egg agencies desire and prefer to choose donors that are strictly providing eggs for altruistic reasons.
In 2017, the IDSA generally recommended vancomycin and fidaxomicin over metronidazole. Vancomycin by mouth has been shown to be more effective in treating people with severe C. difficile colitis. E. histolytica
Entamoeba histolytica invasive amebiasis is treated with metronidazole for eradication, in combination with diloxanide to prevent recurrence. Although it is generally a standard treatment it is associated with some side effects. Preterm births
Metronidazole has also been used in women to prevent preterm birth associated with bacterial vaginosis, amongst other risk factors including the presence of cervicovaginal fetal fibronectin (fFN). Metronidazole was ineffective in preventing preterm delivery in high-risk pregnant women (selected by history and a positive fFN test) and, conversely, the incidence of preterm delivery was found to be higher in women treated with metronidazole. Hypoxic radiosensitizer
In addition to its anti-biotic properties, attempts were also made to use a possible radiation-sensitizing effect of metronidazole in the context of radiation therapy against hypoxic tumors. However, the neurotoxic side effects occurring at the required dosages have prevented the widespread use of metronidazole as an adjuvant agent in radiation therapy. However, other nitroimidazoles derived from metronidazole such as nimorazole with reduced electron affinity showed less serious neuronal side effects and have found their way into radio-onological practice for head and neck tumors in some countries. Perioral dermatitis
Canadian Family Physician has recommended topical metronidazole as a third-line treatment for the perioral dermatitis either along with or without oral tetracycline or oral erythromycin as first and second line treatment respectively.