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  2. A week-by-week guide to common pregnancy symptoms - AOL

    www.aol.com/news/week-week-guide-common...

    Pregnancy Symptoms Week 3 Let's say the first day of your last period was April 10 and you became pregnant thereafter; that would mean your baby was conceived around April 24, or during week three.

  3. Effects of nuclear explosions on human health - Wikipedia

    en.wikipedia.org/wiki/Effects_of_nuclear...

    The exposure to 4.5 Gray of penetrating gamma rays has many effects that occur at different times: In 24 hours: [10] vomiting; diarrhea; These will usually abate after 6–7 days. Within 34 weeks there is a period of extreme illness. [10] severe bloody diarrhea, indicating intestinal disorders causing fluid imbalance; extensive internal bleeding

  4. Signs and symptoms of pregnancy - Wikipedia

    en.wikipedia.org/.../Signs_and_symptoms_of_pregnancy

    Although described as "morning sickness," pregnant women can experience this nausea any time of day or night. The exact cause of morning sickness remains unknown. Nausea and vomiting in pregnancy is typically mild and self-limited, resolving on its own by the 14th week of pregnancy. Other causes should also be ruled out when considering treatment.

  5. Pregnancy and Infant Loss Remembrance Day - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_and_Infant_Loss...

    Pregnancy and Infant Loss Awareness Month (N. America), Baby Loss Awareness Week (UK), World Prematurity Day, Early Miscarriage Awareness Day Pregnancy and Infant Loss Remembrance Day is an annual day of remembrance observed on October 15 for pregnancy loss and infant death, which includes miscarriage , stillbirth , SIDS , ectopic pregnancy ...

  6. Timeline of human prenatal development - Wikipedia

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

    Gestational age: 6 weeks and 0 days until 6 weeks and 6 days old. 43–49 days from last menstruation. Embryonic age: Week nr 5. 4 weeks old. 29–35 days from fertilization. The embryo measures 8 mm (0.31 in) in length and weighs about 1 gram. [4] Optic vesicles and optic cups form the start of the developing eye. Nasal pits form.

  7. Radiobiology - Wikipedia

    en.wikipedia.org/wiki/Radiobiology

    2 to 4 weeks: 0 to 2 weeks: Miscarriage or none (all or nothing) 50 - 100 [9] 4 to 10 weeks: 2 to 8 weeks: Structural birth defects: 200 [9] Growth restriction: 200 - 250 [9] 10 to 17 weeks: 8 to 15 weeks: Severe intellectual disability: 60 - 310 [9] 18 to 27 weeks: 16 to 25 weeks: Severe intellectual disability (lower risk) 250 - 280 [9]

  8. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Solar eclipse myths explained: What to know about eclipse ...

    www.aol.com/solar-eclipse-myths-explained-know...

    MYTH: If you are pregnant, you should not watch an eclipse because it can harm your baby The eclipse does not have harmful radiation that can affect an unborn child.