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  2. Smoking and pregnancy - Wikipedia

    en.wikipedia.org/wiki/Smoking_and_pregnancy

    Tobacco smoking during pregnancy causes many detrimental effects on health and reproduction, in addition to the general health effects of tobacco.A number of studies have shown that tobacco use is a significant factor in miscarriages among pregnant smokers, and that it contributes to a number of other threats to the health of the foetus.

  3. Pregnancy-specific beta-1-glycoprotein 1 - Wikipedia

    en.wikipedia.org/wiki/Pregnancy-specific_beta-1...

    External factors can also have an effect on the presence and function of PSGs. Specifically smoking during the first trimester of pregnancy can have adverse effects of the fetus. [15] A pregnant female who has smoked is likely to have a significantly lower blood concentration of PSGs, specifically in the second and third trimester.

  4. Fetal programming - Wikipedia

    en.wikipedia.org/wiki/Fetal_programming

    Exposure to tobacco smoke during pregnancy, commonly known as in utero maternal tobacco smoke exposure (MTSE), can contribute towards various problems in babies of smoking mothers. [17] About 20% of mothers smoke whilst pregnant and this is associated with increased risk of complications, such as preterm birth, decreased fetal growth leading to ...

  5. Drugs in pregnancy - Wikipedia

    en.wikipedia.org/wiki/Drugs_in_pregnancy

    Smoking during pregnancy is dangerous to the unborn baby and may cause pre-term birth, birth defects such as cleft lip or cleft palate, or miscarriage. [93] [80] Tobacco is the most commonly used substance among pregnant women, at 25%. [87] [94] Nicotine crosses the placenta and accumulates within fetal tissues.

  6. Pregnancy - Wikipedia

    en.wikipedia.org/wiki/Pregnancy

    Complications during pregnancy can cause other more severe symptoms, such as those associated with anemia. Early signs and symptoms of pregnancy may include: [30] Tiredness or fatigue (one of the most common symptoms) Missed period; Nausea or morning sickness, may or may not include vomiting; Breast tenderness (common during the first trimester ...

  7. Maternal physiological changes in pregnancy - Wikipedia

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

    Overall, the systolic and diastolic blood pressure drops 10–15 mm Hg in the first trimester and then returns to baseline in the second half of pregnancy. [6] All of these cardiovascular adaptations can lead to common complaints, such as palpitations, decreased exercise tolerance, and dizziness.

  8. Fetal alcohol spectrum disorder - Wikipedia

    en.wikipedia.org/wiki/Fetal_alcohol_spectrum...

    Cleft lip with or without a cleft palate: Alcohol is known to be a folic acid antagonist, and a baby's palate and lip develop during the first trimester of the pregnancy (first 12 weeks). Heavy alcohol consumption and binge drinking during this time have been linked to orofacial cleft.

  9. Preterm birth - Wikipedia

    en.wikipedia.org/wiki/Preterm_birth

    Tobacco is the most commonly used drug during pregnancy and contributes significantly to low birth weight delivery. [62] Babies with birth defects are at higher risk of being born preterm. [63] Passive smoking and/or smoking before the pregnancy influences the probability of

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