HHS specifies that family planning does not include postconception
care, obstetric or prenatal care, or abortion as a method of family planning.
The critical period for atRA exposure appears to be 2-5 weeks postconception
for humans (Holson et al, 1997).
Given that the LP genotype is defined at conception (as any germline genetic variant), MR is not prone to confounding by postconception
factors such as diet (2, 3).
that brain waves are apparent 43 days postconception
Those covariates were postconception
age at the time of exam (calculated as gestational age at birth plus age at exam, continuous), infant size at exam [weight-for-length z-score (ZWL), continuous], mother's age (continuous), child's race (non-Hispanic white vs.
Effects on the postnatal development of the mouse of preconception, postconception
and/or suckling exposure to manganese via maternal inhalation exposure to MnO2 dust.
The gestational age of the fetuses was determined in weeks postconception
(WPC), according to the foot-length criterion, which is currently considered the most acceptable parameter to calculate gestational age [9-11].
In rat fetus, [beta] cell population was estimated to be doubled every day starting from 16 days postconception
MST PNT Technical approach Transfer of nuclear Transfer of nuclear DNA before DNA fertilization postfertilization mtDNA carry-over Lower (1%) Higher (1-2%) Risk of chromosomal Higher Lower abnormalities Operator dependent Yes Yes Proof-of-concept Yes (n = 4) No In macaque Ethical issues Approval (UK) Yes Yes Approach Selective Therapy based on reproduction embryo modification Manipulation and Oocytes Fertilized eggs destruction of Occurs Preconception Postconception
Accordingly, even if stare decisis prevents its abolition, the right to elecdve abortion should be confined to the parameters laid down in Casey and deprived of generative force in all other contexts involving state regulation that protects "postconception
potential life." (322) Only if that is done will the Court make good on Casey's commitment that " [t] he political processes of the State are not to be foreclosed from enacting laws to promote the life of the unborn and to ensure respect for all human life and its potential." (323)
The endothelial heart tube, the first organ system to form, folds in on itself and begins to beat at 21 days postconception
. Thus, it is present and beating prior to our ability to image it on transvaginal ultrasound.
We suppose that variation in results depends largely on the experimental design used to induce diabetes, the period in which hyperglycemia is manifested (pregestation, postconception
, and middle or late gestation), and the blood glucose level reached.