All organ formation has completed, so the fetus begins to grow in size through mitosis.
Tissue and organ differentiation from the endoderm and mesoderm finalize at the end of the second trimester.
. Umbilical cord and placenta begins to form.
All other organs such as kidneys, bladder, liver, lungs, and spleen begin to form.
Between 1959 and 1961, thalidomide was prescribed to expectant mothers in Canada for morning sickness. Once it was determined that thalidomide was linked to miscarriages and birth defects, it was pulled from Canadian pharmacies in 1962. It is estimated that over 20 000 individuals worldwide were affected by thalidomide. There are approximately 100 thalidomide survivors in Canada who have been approved to receive compensation from the federal government. Which of the following over the counter and prescription medications have not been linked with birth defects or problems with pregnancy? (Some research may be required.)