Most common side effects of Estrogen patches are skin irritation, back pain and sometimes headache. Sometimes you will also experience bloating and abdominal cramps but these are very rare side effects. People most particularly the women are aware about the fact that Estrogen patches can cause uterus or ovarian cancer. Possible Side Effects of Taking Estrogen Hormone Estrogen hormone is a group of compounds called steroid. It is dubbed as estrogen because of its big importance in the oestrus cycle. The main function of it is, as female sex hormone. This hormone is found in both men and women but women of reproductive age have high levels of it. They will educate you about the function of the normal estrogen level in the body and all the information you need regarding this matter. You can also eat estrogen-containing foods. There are many foods that contain estrogen. Some of which are apples, licorice, eggplant, cucumbers, peas, pomegranates, clover, carrots, garlic, pumpkins, soybeans and soybean sprouts, barley, papaya, dates, potatoes, alfalfa, eggs, fennels, plums, oats, yams, wheat, rice, and many more. Aside from the aforementioned physical attributes that distinguish women from men, it is also essential in some body functions. Anatomically, women should have normal estrogen in the body for normal functioning. Health researches show that normal estrogen keeps the normal functioning of women s body. It can also sometimes cause itchiness and irritation. This is why most of the women in the United States make use of the Estrogen cream that are made up of natural ingredients. The cream is available only with the doctor s prescription. There should also be a proper specification of dosage in order to avoid some unnecessary effects on the woman s vagina, especially if it is used to treat dryness. Women who lack such sex hormones often have different physique that is closer to males. Usually, if women do not have enough estrogen and progesterone, they appear to have smaller breast and masculine appearance. However, if a women have an over production of these hormones, it may lead to more serious state like stroke and osteoporosis, as what other studies says.