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2. Home ultrasound - Wikipedia

   en.wikipedia.org/wiki/Home_ultrasound

   Typical diagnostic ultrasound machines operate in the frequency range of 2-18 megahertz, whereas home ultrasound machines and therapeutic ultrasound machines operate in the frequency range of .7-3.3 megahertz. Diagnostic sonography is typically used to create an audio "image", such as during pregnancy to visualize the developing baby.

3. Obstetric ultrasonography - Wikipedia

   en.wikipedia.org/wiki/Obstetric_ultrasonography

   Obstetric ultrasonography, or prenatal ultrasound, is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb).

4. Pregnancy test - Wikipedia

   en.wikipedia.org/wiki/Pregnancy_test

   Both abdominal and vaginal ultrasound may be used, but vaginal ultrasound allows for earlier visualization of the pregnancy. With obstetric ultrasonography the gestational sac (intrauterine fluid collection) can be visualized at 4.5 to 5 weeks gestation , the yolk sac at 5 to 6 weeks gestation, and fetal pole at 5.5 to 6 weeks gestation.

5. Doppler fetal monitor - Wikipedia

   en.wikipedia.org/wiki/Doppler_fetal_monitor

   In response to increasing home usage of clinical fetal doppler systems, the FDA issued a formal statement recommending against at-home use. [3] Fetal dopplers using 2-3MHz ultrasound are prescription devices designed and developed for use by licensed and trained health care professionals.

6. Prenatal testing - Wikipedia

   en.wikipedia.org/wiki/Prenatal_testing

   At early presentation of pregnancy at around 6 weeks, early dating ultrasound scan may be offered to help confirm the gestational age of the embryo and check for a single or twin pregnancy, but such a scan is unable to detect common abnormalities. Details of prenatal screening and testing options may be provided.

7. Here's what pregnancy actually looks like before 10 weeks ...

   www.aol.com/lifestyle/heres-pregnancy-actually...

   Photos of what pregnancy tissue from early abortions at 5 to 9 weeks looks like have gone viral. ... Home & Garden. Lighter Side. ... This is the motion that is seen on ultrasound and that people ...