ESTRING (estradiol vaginal ring) is an off-white, soft, flexible ring with a center that contains 2 mg of estradiol (an estrogen hormone). ESTRING releases estradiol into the vagina in a consistent, stable manner for 90 days.The soft, flexible ring is placed in the upper third of the vagina (by the physician or the patient). ESTRING (estradiol vaginal ring) should be removed after90 days of continuous use.If continuation of therapy is indicated, the flexible ring should be replaced.he soft, flexible ring is placed in the upper third of the vagina (by the physician or the patient). ESTRING (estradiol vaginal ring) should be removed after90 days of continuous use. If continuation of therapy is indicated, the flexible ring should be replaced.
Fertilization occurs in the Fallopian tube. If the egg is not fertilized within 24 hours after it is released, it travels down to the uterus and is expelled during the menstrual period. Continue Reading.
Fertilization happens in the fallopian tube, and the fertilized egg then travels for about 5-6 days down the fallopian tube towards the uterus. Implantation happens when the fertilized egg arrives in the uterus and attaches to the uterine lining.Implantation occurs on average 9 days after ovulation and fertilization, it can happen as early as 6 days after ovulation until 12 days after ovulation.The timing of implantation spotting is within a day or so after implantation, about 9-10 days after ovulation and fertilization.Implantation happens between 6 and 12 days after ovulation, so about 9-10 days after ovulation would be the right time for implantation bleeding and spotting.ertilization happens in the fallopian tube, and the fertilized egg then travels for about 5-6 days down the fallopian tube towards the uterus. Implantation happens when the fertilized egg arrives in the uterus and attaches to the uterine lining.