The zona fasciculata thickens significantly in pregnant women. What do you think would be the benefit of this phenomenon?

Explain why pregnant women often suffer from back strain late in their pregnancy.

A couple living in Florida is trying to have a baby, but they are having trouble getting pregnant. The male is very light skinned yet enjoys spending as much time as possible outdoors in the sun. From the male's perspective, why might he be contributing to the trouble with getting pregnant? Excessive ultraviolet light exposure can reduce folate levels, and folate is required for normal sperm development. Excessive heat from the sunlight inhibits normal sperm production; thus, he probably does not have enough sperm. The male does not have enough melanin production to support normal sperm development. Excessive sunlight exposure can rapidly increase folate levels, which then inhibits normal sperm development. Normal sperm development occurs best in colder temperatures; thus, living in Florida he has a reduced chance of getting his partner pregnant.

Why is hypertension particularly dangerous for a pregnant woman in the later stages of pregnancy?

Implantation of a blastocyst does not always happen.  Approximately how many days after fertilization may implantation of a blastocyst occur?

In the milk-letdown reflex, which cells are categorized as neuroendocrine cells? a) Sensory neurons in the breast tissue b)Neurons that synthesize oxytocin and form junctions with capillaries c)Neurons that contract and cause expulsion of milk

Highly frequent menstrual cycles may be the cause of several cancers. is this statement true or false

Choose which tissue would line the fallopian tubes and function as a "conveyer belt" to help move a fertilized egg towards the uterus. a.stratified squamous epithelium b.ciliated simple columnar epithelium c.simple cuboidal epithelium d.smooth muscle

The placenta function to Select one: A. Produce blood cells B. Provide nutrition for the growing fetus C. Exchange nutrients and wastes D. Creat amniotic fluid

Why can twins resulting from a single fertilized egg exchange blood or receive organ transplants from each other without rejection, whereas twins resulting from two fertilized eggs sometimes cannot?