If the uterus is removed, as in a hysterectomy with preservation of ovaries, they usually work normally until natural menopause. But this may differ from person to person and the surgical approach. You should talk to your gynecologist and with the surgeon that did your surgery for details about you case. They will inform patients about post-surgery ovarian function recovery.

During your pregnancy, you often have symptoms such as nausea, fatigue, and mood swings. These are due to the changing hormone levels. Stress and lifestyle can also affect it. It is very important to take care of yourself; a balanced diet and regular exercise can make your health better. This time brings emotional and physical changes for you, so it will be beneficial to talk to a professional. 

The "risk for fetal aneuploidy is low" means that the probability of the fetus having an abnormal number of chromosomes is considered to be low which is a positive indication.

If sperm has been in contact with the vulva but no sexual intercourse took place, there is very little chance of getting pregnant. You acted so quickly by popping the "i-pill" that within an hour of the incident you lowered the risk even further. However, it may cause some mild side effects such as nausea, headache, or irregular bleeding.

Having blood type O negative when pregnant can lead to some complications. If a person with this blood type gets pregnant, the mother's body may produce antibodies that can attack the baby's red blood cells. The baby may have symptoms like jaundice or anemia. Doctors can give a medication called Rh immunoglobulin to the mother during pregnancy to prevent this.