Pregnant with ovulation test paper test will appear parallel bars?

Ovulation test is used to

detect the level of luteinizing hormone in a woman's urine. After pregnancy, the ovaries no longer ovulate and the urine is usually free of luteinizing hormone. The test results are usually negative and generally do not show parallel bars. During pregnancy, placental trophoblasts may release large amounts of human chorionic gonadotropin, and if a woman uses a pregnancy test, a positive result may occur.