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French Bulldogs are prone to having congenital hemivertebrae (also called "butterfly vertebrae"). [ 42 ] [ 43 ] A review of more than 200,000 patients in the UK found that French Bulldogs had a noticeably higher occurrence of patellar luxation with the French Bulldog having an odds ratio of 5.4.
Pregnant male seahorse. Male pregnancy is the incubation of one or more embryos or fetuses by organisms of the male sex in some species. Most species that reproduce by sexual reproduction are heterogamous—females producing larger gametes and males producing smaller gametes ().
Hooligan (@roseflower_frenchies) is such a loyal protector, keeping a watchful eye over his newborn kids.His human mom explains he is always gazing at them and giving them plenty of love. It’s ...
Oxytocin contracts the smooth muscle of the uterus during and after birth, and during orgasm(s). After birth, oxytocin contracts the smooth muscle layer of band-like cells surrounding the alveoli to squeeze the newly produced milk into the duct system. Oxytocin is necessary for the milk ejection reflex, or let-down, in response to suckling, to ...
A multiple birth is the culmination of one multiple pregnancy, wherein the mother gives birth to two or more babies. A term most applicable to vertebrate species, multiple births occur in most kinds of mammals, with varying frequencies. Such births are often named according to the number of offspring, as in twins and triplets.
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Most mammals are viviparous, giving birth to live young. [1] However, the five species of monotreme, the platypuses and the echidnas, lay eggs. The monotremes have a sex determination system different from that of most other mammals. [2] In particular, the sex chromosomes of a platypus are more like those of a chicken than those of a therian ...
An Alabama woman who has an extremely rare double uterus and got pregnant in both gave birth to twins last week a day apart, according to a news release from the University of Alabama at ...