One week afrer hysteroscopy doc asked me to start with duphostan, will it stop me from getting pregnant this cycle?

Duphostan and pregn: this is a potent progesterone medication indicated for menstrual irregularites, infertility due to luteal phase disorders, PMS, endometriosis and habitual abortions (NOT cleared by FDA or Canadian equivalent for this). It may not prevent pregnancy but may be in preparation for in vitro fertilization cycle especially if you have luteal phase issues. Ask your doctor if you have additional ??s