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  2. Souffle (heart sound) - Wikipedia

    en.wikipedia.org/wiki/Souffle_(heart_sound)

    Funic souffle (also known as funicular or fetal souffle), is a blowing sound heard in synch with fetal heart sounds, and may originate from the umbilical cord. It has also been described as a sharp, whistling sound that is synchronous with the pulse of the foetus, usually heard during the second trimester of pregnancy (13–28 weeks). [3]

  3. Maternal physiological changes in pregnancy - Wikipedia

    en.wikipedia.org/wiki/Maternal_physiological...

    There are many physiologic changes that occur during pregnancy that influence respiratory status and function. Progesterone has noticeable effects on respiratory physiology, increasing minute volume (the amount of air breathed in and out of the lungs in 1 minute) by 40% in the first trimester via an increase in tidal volume alone, as the ...

  4. Voice change - Wikipedia

    en.wikipedia.org/wiki/Voice_change

    [1] [2] [3] A similar effect is a " voice crack ", during which a person's voice suddenly and unintentionally enters a higher register (usually falsetto ) for a brief period of time. This may be caused by singing or talking at a pitch outside the person's natural vocal range , stress, fatigue, emotional tension, or the physical changes ...

  5. Signs and symptoms of pregnancy - Wikipedia

    en.wikipedia.org/.../Signs_and_symptoms_of_pregnancy

    Signs and symptoms of pregnancy are common, benign conditions that result from the changes to the body that occur during pregnancy. Signs and symptoms of pregnancy typically change as pregnancy progresses, although several symptoms may be present throughout. Depending on severity, common symptoms in pregnancy can develop into complications ...

  6. Timeline of human prenatal development - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_human_prenatal...

    Gestational age: 3 weeks and 0 days until 3 weeks and 6 days old. 22–28 days from last menstruation. Embryonic age: Week nr 2. 1 week old. 8–14 days from fertilization. Trophoblast cells surrounding the embryonic cells proliferate and invade deeper into the uterine lining. They will eventually form the placenta and embryonic membranes. The ...

  7. From hoarseness to speaking more slowly, how voice changes ...

    www.aol.com/lifestyle/hoarseness-speaking-more...

    Voice pattern changes are linked to other mental health conditions too. For example, with obsessive-compulsive disorder, the person may repeat certain words or phrases, says Akyar.

  8. Prenatal perception - Wikipedia

    en.wikipedia.org/wiki/Prenatal_perception

    Prenatal perception is the study of the extent of somatosensory and other types of perception during pregnancy.In practical terms, this means the study of fetuses; none of the accepted indicators of perception are present in embryos.

  9. Baby talk - Wikipedia

    en.wikipedia.org/wiki/Baby_talk

    Baby talk is a type of speech associated with an older person speaking to a child or infant. It is also called caretaker speech, infant-directed speech (IDS), child-directed speech (CDS), child-directed language (CDL), caregiver register, parentese, or motherese.

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