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2. Fertility testing - Wikipedia

   en.wikipedia.org/wiki/Fertility_testing

   This test can recognize the LH surge about 1-1.5 days prior to ovulation. Additionally, some ovulation prediction kits detect estrone-3-glucuronide. This is a breakdown product of estrogen and will have increased levels in the urine around the time of ovulation. This test is able to detect luteinizing hormone and estrone-3-glucuronide 90% of ...

3. Fern test - Wikipedia

   en.wikipedia.org/wiki/Fern_test

   Ferning was first described in the field of gynecology in 1945 by Georgios Papanikolaou, inventor of the pap smear, as a test for ovulation during a normal menstrual cycle. [2] When high levels of estrogen are present, such as just before ovulation (or during pregnancy), the cervical mucus forms fern-like patterns due to crystallization of ...

4. Pregnancy test - Wikipedia

   en.wikipedia.org/wiki/Pregnancy_test

   The two primary methods are testing for the female pregnancy hormone (human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography. [1] Testing blood for hCG results in the earliest detection of pregnancy. [2] Almost all pregnant women will have a positive urine pregnancy test one week ...

5. Ovulation - Wikipedia

   en.wikipedia.org/wiki/Ovulation

   Ovulation is an important part of the menstrual cycle in female vertebrates where the egg cells are released from the ovaries as part of the ovarian cycle. In female humans ovulation typically occurs near the midpoint in the menstrual cycle and after the follicular phase. Ovulation is stimulated by an increase in luteinizing hormone (LH).

6. Fertility awareness - Wikipedia

   en.wikipedia.org/wiki/Fertility_awareness

   Pregnancy tests are not accurate until 1–2 weeks after ovulation. Knowing an estimated date of ovulation can prevent a woman from getting false negative results due to testing too early. Also, 18 consecutive days of elevated temperatures means a woman is almost certainly pregnant. [61]

7. Pregnancy hormones - Wikipedia

   en.wikipedia.org/wiki/Pregnancy_hormones

   Urine-based pregnancy tests detect hCG in the urine, while blood-based pregnancy tests measure the level of hCG in the blood. [5] The presence of hCG in a woman's body indicates that a fertilized egg has implanted in the uterus and the placenta has started to form. 10 days after fertilization, significant hCG can be detected from woman's blood ...