How many abortions lead to infertility is uncertain. Some people become infertile after just one abortion, while others may still be able to conceive normally after four or five abortions. This varies greatly depending on the individual's constitution, their condition after the procedure, and the doctor performing the surgery. Some people have weaker immune systems and may experience infections within the uterine cavity after surgery; such conditions can easily lead to uterine adhesions and blockages in the fallopian tubes, resulting in infertility. Others with stronger immune systems can recover quickly after surgery, generally without impacting their ability to conceive. Inexperienced surgeons might cause damage to the endometrium and uterine adhesions, which can also lead to infertility.