This study evaluates the difference of imaging diagnostic quality and fertility promoting effect in the diagnosis and treatment of infertility by hysterosalpingography between using ethiodized poppyseed oil and the second-generation non-ionic monomer contrast. Half of participants will receive ethiodized poppyseed oil for hysterosalpingography, while the other half will receive the second-generation non-ionic monomer contrast for hysterosalpingography.