The period of gestation in the mare is about eleven months.
The female brings forth one young in the end of May or beginning of June, after a gestation of nine months.
The period of gestation is eleven months.
Whether a pouch is present or not, the young are born in an exceedingly imperfect state of development, after a very short period of gestation, and are immediately transferred by the female parent to the teats, where they remain firmly attached for a considerable time; the milk being injected into their mouths at intervals by means of a special muscle which compresses the glands.
In the case of the great grey kangaroo, for instance, the period of gestation is less than forty days, and the newly-born embryo, which is blind, naked, and unable to use its bud-like limbs, is little more than an inch in length.
Of the parent in a regular line, and develop in situ; this process, which has been attributed to budding, is an "external gestation," and occurs in a number of species.
It breeds from four to eight times a year, bringing forth each time from three to eight young; its period of gestation is about thirty days, and it is able to bear when six months old.
According to one theory, the germ lies dormant until December, when it begins to develop; but it is now believed that this long gestation is due to slow rather than arrested development.
The pairing time of the squirrel is from February to April; and after a period of gestation of about thirty days the female brings forth from three to nine young.
In the first the novice is received and told to meditate on the three mystic letters; in the second, after a period of forty days, he is taught the titles of the 16 suras of the Majmu`; in the third, after seven or nine months (intended to correspond with the ordinary period of gestation), he is taught Suras 5, 6 and 9, learns the meaning of the three mystic letters and goes through a further period of instruction from his initiator.
The period of gestation is twenty weeks, when the female, beneath the shelter generally of a projecting rock, produces one and sometimes two young.
Nor was it ever murder at common law to take the life of the child at any period of gestation, even in the very act of delivery (Mitchell v.
As an accident of pregnancy, it is far from uncommon, although its relative frequency, as compared with that of completed gestation, has been very differently estimated by accoucheurs.
According to the weight of authority in the United States abortion was not regarded as a punishable offence at common law, if the abortion was produced with the consent of the mother prior to the time when she became quick with child; but the Supreme Courts of Pennsylvania and North Carolina held it a crime at common law, which might be committed as soon as gestation had begun (Mills v.
"Without any religious rite at all," he urges, "unclean spirits brood upon waters, aspiring to repeat that primordial gestation of the divine Spirit."
Jackals resemble wolves and dogs in their dentition, the round eye-pupils, the period of gestation, and to a large extent also in habits.
The period of gestation of a ewe is between 21 and 22 weeks, and the period of oestrum 24 hours.
The period of gestation in the female is ninety days, after which she produces - usually at the end of June - a single young one which is able at once to follow its mother.
They bear, four or five times in the year, from four to ten blind and naked young, which are in their turn able to breed at an age of about six months; the time of gestation being about twenty days.
The period of gestation is thirteen months, that is to say, the ova pass into the oviducts about one month before the young of the preceding year are born.
The period of gestation is sixteen weeks.