Question

1. A cyclical function of the female reproductive system is menorrhea, the normal discharge of blood and tissue from the uterus. How can some of the prefixes we have learned be used to describe menstrual disorders? For instance, try the prefixes a-, dys-, oligo- and poly-. 2. Can identical twins be brother and sister? What about fraternal twins? Can you explain? 3. What are some of the possible fetal presentations? That is, what are some of the positions a fetus can take when almost born?

Answer 1

1. Dysmenorshea Cramps and pelnic pains with menustration, with common causes such as heavy flow, passing clots, uteune. fibroids or endometriosis is called dysmenorrhea, Menustnal cramps are caused by contractions in the uterus. Oligomenorrhea: It is a condition with infrequent menustral periods some variation in memestration is noemal, but a woman who regularly goes more than 35 days withont manistrating may be diagnosed with oligomenorrhea. Polymenorthea : It is a team used to describe a menstrual cycle. that is shorter than 21 days. It is fust one foum of abnomal uteline bleeding.

2. Identical twins result from the fertilization of a single egg that splits in two. Identical twins share all of their genes and are always of the same sen. So identical twins cannot be brother and sister. Fraternal twins are dizygotic. They are developed from the fertilization of two separate eggs during the same pregenanscy. Two different eggs are fertilized by two different speems. so they would be of same sen. se pro Thus frateenal twins can be brother and sister. d.net

3. The following are the fetal presentations. • Head down - facing down as the baby is positioned with head down, facing the mothee's back, with the chin tucked to its chest and back of the head ready to enter the pelvis This is the most ideal position for labor. Head down - facing up the baby is positioned with head down, thong with its head facing up. • Breech presentation - This occurs when the baby's buttocks or feet de both are in place to come out first during birth. It can be frank breech position a complete breech position. • Lying sideways in this position the boy baby is positioned houzontally across the uteens, rather than vectically