Measurements of the hormone progesterone may determine whether her reproductive system is allowing insufficient time for fertilized egg implantation. This condition can be treated with hormones, a treatment that sometimes results in overstimulation of the ovaries, which may produce multiple births. Several uterine conditions may make pregnancy difficult or impossible. These are benign tumors that can distort the shape of the uterus. Surgery may be required to remove them.
Normal wombs lie with their closed end facing forward and pointing upward.
A tipped uterus faces back and down. Surgery to correct the position has had only limited success in improving fertility and is not recommended. This condition usually affects women between ages 30 and 40. The misplaced tissue responds to hormonal signals and may cause scarring and adhesions. In some cases, endometriosis may twist the reproductive organs out of their normal alignment, preventing the ova from reaching the fallopian tubes.