a rabbi and you explain the circumstances and the circumstances you know maybe there's not a lot of money in the family maybe there's illness maybe somebody needs to finish school and if she gets pregn velofel ant it's not going to happen there are a lot of things to consider it's it's not completely forbidden and it's not completely allowed it's something you took the question to a competent authority in Jewish law and you tell them the backgrounds and you figure out if the needs to use contraception outweigh God's commandment