Email Newsletters. By Karen Price. Dan Fisher has led the Pitt women's volleyball team to a 44-20 record in his two seasons as coach, and beginning Thursday, he will try to lead the USA to a gold medal in the Pan American Games in Toronto.
Reflex/confirmation testing not performed. Meconium or umbilical cord tissue are preferred over urine for testing of infants Urine testing indicates drug use over the previous 1â10 days, depending on the drug. Meconium may be contaminated by urine; umbilical cord tissue may be contaminated by maternal blood.
Even before a woman is noticeably pregnant, her intake of food and beverage passes through the developing placenta and umbilical cord to nourish (or harm) the growing embryo. The use of harmful substances during pregnancy is doubly damaging because both the woman and embryo / fetus may suffer significant harm. Following implantation, maternal and embryonic tissues combine and begin to form the placenta (pla-senâta).6. Figure 2.3 - The Umbilical Cord & the 5Â½- Week Embryo.