WordNet

the act of becoming pregnant; fertilization of an ovum by a spermatozoon
an opinion formed beforehand without adequate evidence; "he did not even try to confirm his preconceptions" (同)prepossession, parti pris, preconceived opinion, preconceived idea, preconceived notion
capable of conceiving (同)impregnable
an abstract or general idea inferred or derived from specific instances (同)conception, construct

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2018/02/11 04:45:23」(JST)

Human chorionic gonadotropin increases serum progesterone, number of corpora lutea and angiogenic factors in pregnant sheep.

Coleson MP1, Sanchez NS1, Ashley AK1, Ross TT1, Ashley RL2.
Reproduction (Cambridge, England).Reproduction.2015 Jul;150(1):43-52. doi: 10.1530/REP-14-0632. Epub 2015 Apr 10.
Early gestation is a critical period when implantation and placental vascularization are established, processes influenced by progesterone (P4). Although human chorionic gonadotropin (hCG) is not endogenously synthesized by livestock, it binds the LH receptor, stimulating P4 synthesis. We hypothesiz
PMID 25861798

A physiological, rather than a superovulated, post-implantation environment can attenuate the compromising effect of assisted reproductive techniques on gene expression in developing mice embryos.

Bonakdar E1, Edriss MA, Bakhtari A, Jafarpour F, Asgari V, Hosseini SM, Boroujeni NS, Hajian M, Rahmani HR, Nasr-Esfahani MH.
Molecular reproduction and development.Mol Reprod Dev.2015 Mar;82(3):191-206. doi: 10.1002/mrd.22461. Epub 2015 Mar 1.
Assisted reproductive techniques (ARTs) may perturb the pre-/peri-conception microenvironments, which subsequently threaten the health of offspring. This study aimed to investigate the effects of superovulation, vitrification, in vitro culture, and embryo transfer on the expression of epigenetic mod
PMID 25728573

Perinatal Listeria monocytogenes susceptibility despite preconceptual priming and maintenance of pathogen-specific CD8(+) T cells during pregnancy.

Clark DR, Chaturvedi V, Kinder JM, Jiang TT, Xin L, Ertelt JM, Way SS.
Cellular & molecular immunology.Cell Mol Immunol.2014 Nov;11(6):595-605. doi: 10.1038/cmi.2014.84. Epub 2014 Sep 22.
Listeria monocytogenes (Lm) is an intracellular bacterium with unique predisposition for systemic maternal infection during pregnancy and morbid consequences for the developing fetus. Given the high mortality associated with prenatal Lm infection, strategies for augmenting protective immunity during
PMID 25242275