Effects of marihuana on pregnant rats and their offspring. 1980

E L Abel, and B A Dintcheff, and N Day

Pregnant rats were intubated with marihuana extract (10, 150 mg/kg) from gestation day 3 to parturition. Control animals were pair-fed. At parturition pups were culled and assigned to nondrug-treated dams. A positive control group consisting of animals prenatally exposed to alcohol (6 g/kg/day) was included for comparison of birth weight data. Marihuana reduced food and water consumption and maternal weight gain. Pup weight at birth was reduced by about 10% relative to pair-fed controls in animals exposed to the high doses of marihuana, and by approximately 15% in pups exposed to alcohol relative to their pair-fed controls. Litter size and pup mortality at birth were not affected significantly. Postnatal mortality was increased and neonatal weight was decreased at 21 days in marihuana-treated offspring. At 11 weeks of age body weights of drug-treated females but not males, were still significantly less than that of pair-fed controls.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011270 Pregnancy, Animal The process of bearing developing young (EMBRYOS or FETUSES) in utero in non-human mammals, beginning from FERTILIZATION to BIRTH. Animal Pregnancies,Animal Pregnancy,Pregnancies, Animal
D001724 Birth Weight The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms. Birthweight,Birth Weights,Birthweights,Weight, Birth,Weights, Birth
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D002188 Cannabis The plant genus in the Cannabaceae plant family, Urticales order, Hamamelidae subclass. The flowering tops are called many slang terms including pot, marijuana, hashish, bhang, and ganja. The stem is an important source of hemp fiber. Bhang,Ganja,Hashish,Hemp,Cannabis indica,Cannabis sativa,Hemp Plant,Marihuana,Marijuana,Bhangs,Cannabi,Ganjas,Hashishs,Hemp Plants,Hemps,Plant, Hemp,Plants, Hemp
D004326 Drinking The consumption of liquids. Water Consumption,Water Intake,Drinkings
D004435 Eating The consumption of edible substances. Dietary Intake,Feed Intake,Food Intake,Macronutrient Intake,Micronutrient Intake,Nutrient Intake,Nutritional Intake,Ingestion,Dietary Intakes,Feed Intakes,Intake, Dietary,Intake, Feed,Intake, Food,Intake, Macronutrient,Intake, Micronutrient,Intake, Nutrient,Intake, Nutritional,Macronutrient Intakes,Micronutrient Intakes,Nutrient Intakes,Nutritional Intakes
D005260 Female Females
D005298 Fertility The capacity to conceive or to induce conception. It may refer to either the male or female. Fecundity,Below Replacement Fertility,Differential Fertility,Fecundability,Fertility Determinants,Fertility Incentives,Fertility Preferences,Fertility, Below Replacement,Marital Fertility,Natural Fertility,Subfecundity,World Fertility Survey,Determinant, Fertility,Determinants, Fertility,Fertility Determinant,Fertility Incentive,Fertility Preference,Fertility Survey, World,Fertility Surveys, World,Fertility, Differential,Fertility, Marital,Fertility, Natural,Preference, Fertility,Preferences, Fertility,Survey, World Fertility,Surveys, World Fertility,World Fertility Surveys
D006128 Growth Gradual increase in the number, the size, and the complexity of cells of an individual. Growth generally results in increase in ORGAN WEIGHT; BODY WEIGHT; and BODY HEIGHT.

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