Given the task definition and input, reply with output. In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Question: Regarding vaccination with rubella vaccine in pregnant women, point out the correct answer:
Options: <1> It should be encouraged as it is very convenient for Public Health. <2> It is the procedure of choice for the control of congenital rubella syndrome. <3> It is no longer considered as an indication of abortion. <4> It is allowed in the case of vaccines of strain RA 27/3, but not in the case of vaccines of the strain Cendehill. <5> It must be administered in conjunction with specific immunoglobulin
3