It is not possible to masturbate in the first month of pregnancy. The act of masturbation is not good for health and should not be carried out during pregnancy. If you have a sexual desire sexual impulse, you should divert your attention, such as going out for a walk and chatting with family and friends, the first trimester of pregnancy need to pay attention to strengthen the protection, not masturbation, not sexual life, but also should supplement folic acid to prevent fetal neural tube malformation.