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Also, women with previous caesarean deliveries have a risk of breech presentation at term twice that of women with previous vaginal deliveries. [ 18 ] The highest possible probability of breech presentation of 50% indicates that breech presentation is a consequence of random filling of the intrauterine space, with the same probability of breech ...
Survivorship curves can be constructed for a given cohort (a group of individuals of roughly the same age) based on a life table. There are three generalized types of survivorship curves: [ 1 ] Type I or convex curves are characterized by high age-specific survival probability in early and middle life, followed by a rapid decline in survival in ...
Exercise-induced collapse (EIC) is a genetic disorder, mainly found in Labrador Retrievers, [1] Chesapeake Bay Retrievers , Curly Coated Retrievers, and Boykin Spaniels. . The genetic mutation has also been seen in a few cases in Cocker spaniels, German wire-haired pointers, Old English Sheepdogs, Bouvier des Flandres, Pembroke Welsh Corgis and Clumber Spani
Although early reduction of placental development is not accompanied by concurrent reduction of fetal growth; [42] it tends to limit fetal growth later in gestation. Normally, ovine placental mass increases until about day 70 of gestation, [45] but high demand on the placenta for fetal growth occurs later. (For example, research results suggest ...
Clubfoot can be diagnosed by ultrasound of the fetus in more than 60% of cases. The earliest week of gestation in which the condition is diagnosed with a high degree of confidence was the 12th and the latest was the 32nd. Not all patients were diagnosed at an early stage.
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Based on their disproportionate dwarfism, some dog breeds traditionally have been classified as "achondroplastic". This is the case for the dachshund , basset hound , corgi and bulldog breeds. [ 51 ] [ 52 ] [ 53 ] Data from whole genome association studies in short-limbed dogs reveal a strong association of this trait with a retro-gene coding ...
All dog lovers know that their pets in older age aren't the same as they were as puppies, but owners often can't pinpoint the exact personality changes. Calmer and less curious: How dogs ...