Consider the following statements regarding sickle cell anemia (SCA):

1. It is spread through blood transfusions and from the mother to the fetus during the gestation period.

2. The sickle-celled RBCs have a short life as compared to normal RBC cells, thus causing a constant shortage of RBCs in the body.

3. No treatment is available for the treatment of SCA.

Which of the above statements is/are correct?