This is a normal report of your Transvaginal Ultrasound Sonography
has 3 layers outer layer which covers the middle layer of muscles and a inner layer.
You have done this Examination in the middle of your periods in which the inner layer of your Uterus (Called as Endometrium) becomes the most thick. The thickness of the Endometrium can increase up to 14 mm. Thus 10.8 mm is normal.
Trilaminar means 3 surfaces which give your uterus triangular shape.
Streak artifacts means band like appearance of the middle layer of the Uterus which is made up of muscles. This band like appearance happens when you ovulate. This is also normal.
A woman has many premature eggs in her ovary. These premature eggs are called as Follicles. Under the influence of natural and normal hormones produced in the body itself, these premature eggs start developing and of which one can develop into a mature eggs (called as ovum) is released into the Uterus during ovulation.
So in this cycle of yours, the ovum from the right ovary is ready to be released into the ovum. It is during this time when the Ovulation test can also come positive.