Vaginal ultrasound is not recommended for small amount of bleeding in 45 days of intrauterine pregnancy.
A small amount of bleeding in the uterus on the 45th day of pregnancy has the possibility of preeclampsia, and it is not recommended to do vaginal ultrasound at this time to prevent stimulation of the cervix, which will cause the bleeding to become more heavy, and it will also increase the chances of infection, which will have an impact on the fetus and even cause miscarriage, which can be examined by abdominal ultrasound.
A small amount of bleeding should be checked for the cause, if it is caused by low progesterone, you can use progesterone under the guidance of the doctor for fertility preservation treatment.
It is recommended to avoid sexual life in early pregnancy, more bed rest, avoid eating cold and stimulating food, you can increase the intake of protein-rich food, balanced nutrition, avoid strenuous exercise, to protect the development of the fetus.