What are the four major categories into which disturbances of ...

[washai]

What are the four major categories into which disturbances of blood coagulation are classified?
 
  What will be an ideal response?

Question 2

Briefly describe DES and when it was used. Why isn't it in use today?
 
  What will be an ideal response?

[Harbringer]

Answer to Question 1

1 . Abnormalities of small blood vessels
2 . Abnormalities of platelet function
3 . Deficiency of one or more of the plasma coagulation factors
4 . Liberation of thromboplastic material into the circulation

Answer to Question 2

Diethylstilbestrol (DES) and similar nonsteroidal estrogens were in widespread use from 1946 to 1970 for treating mothers who were prone to spontaneous abortion and for treating various other obstetric problems. However, it was found that these drugs often caused developmental abnormalities in the genital tracts of women whose mothers took these drugs in pregnancy and induced malignant tumors in a small percentage of cases.

Why is it that dysmenorrhea does not occur when the cycles are anovulatory?

[washai]

TYSM

[sultana.d]

Gracias!