- the fifth wheel position on the lead trailer of a B Train must not be located more than 0.3. meters behind the center of the last axle on the lead semitrailer. Weight Limits: - the steering axle weight limit on straight trucks was increased to 7250 kg. - weight limit caps on the second trailer of A and C train double trailer combinations were. removed and replaced by the requirement that the weight of the tractor drive axles + the.
Conclusion. A single serum 2-hCG level on d 11 after embryo transfer has good predictive value for clinical pregnancy outcome in controlled ovarian stimulation cycles and helps to plan the subsequent follow-up.o assess the clinic value of a single maternal serum beta-human chorionic gonadotropin (2-hCG) assay 11 d after embryo transfer in ART pregnancies and to predict pregnancy outcome. A total of 384 pregnancies after embryo transfer were included.
Too early: Implantation will occur about 6-10 days post ovulation. HCG is made only after implantation. Any testing for HCG done prior to 10 days after ovulation or conception is a waste of effort and money. Best to wait until at least missing your period to get a solid result.mplantation: hCG begins to rise after implantation :it is detectable by about 9 days after fertilization or 10-12 days after ovulation. Good wishes. ...Read more.