It is possible to get pregnant without ejaculating during intercourse.
The prerequisite for a woman to get pregnant is for the male sperm to enter the female vagina so that it can pass through the cervix into the uterine cavity and then into the fallopian tubes so that it can be combined with the egg in the tubal cavity, thus forming a fertilized egg.
If there is no internal ejaculation during sexual intercourse, the likelihood of pregnancy is relatively small in this case, but there is no guarantee that you will not get pregnant. This is because during sexual intercourse, the male genitals will secrete a small amount of prostate fluid, and there may be a small amount of sperm in the prostate fluid, which could lead to pregnancy.
Extracorporeal ejaculation is not a good method of contraception, it is best to take some effective contraceptive measures, such as you can use condoms, take short-acting contraception, the use of topical spermicide, etc., the probability of accidental pregnancy is relatively low.