prolonged gestation


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prolonged gestation

[-longd′]
Etymology: L, prolongare, to lengthen, gestare, to bear
a pregnancy that lasts longer than the usual period of 41 weeks.

prolonged gestation

Pregnancy that continues past 41 weeks.
See also: gestation

prolonged gestation

may be inherited, caused by plant toxins or occur sporadically. In all forms of the disease there is absence or developmental abnormality of the fetal adrenal or pituitary glands.

inherited prolonged gestation
occurs in several forms in cattle. Pregnancy is prolonged for 3 weeks to 3 months; in one form the fetus is normal except that it is of very great size and can only be delivered by cesarean section. In another the fetus does not develop beyond the 6 month stage and is a cyclops monster with only one eye. In a third there are multiple skeletal deformities and cleft palate.
phytogenous prolonged gestation
poisoning by veratrumcalifornicum or salsolatuberculata causes prolonged gestation. Called also phytogenous prolonged gestation.
References in periodicals archive ?
Prolonged gestation (greater than 350 days) doesn't necessarily indicate an abnormality, especially if the mare has no history of exposure to infected tall fescue grass.
73] McCormack and co-workers evaluated the use of erythromycin in patients who were found to be colonized with Ureaplasma and found prolonged gestation in those patients who were treated.
Clinical efficacy of dexamethasone in prolonged gestation and valethamate bromide in dystocia due to insufficient dilation of cervix in buffaloes (Bubalus bubalis).
Positive genetic correlation of GL with BW and WW imply that selection for greater BW or WW would lead to prolonged gestation length.