CVM is especially concerned that pet owners are going online to buy two types of commonly used prescription veterinary drugsânonsteroidal anti-inflammatory drugs (NSAIDs) and heartworm preventives. Both drugs can be dangerous if there is no professional involvement, says Hartogensis.
Fetal growth may be further impaired by the tendency of marijuana to increase the heart rate and blood pressure28 of the mother, thus reducing placental blood flow to the fetus. In addition, cocaine and marijuana, when used together, may exert a synergistic effect on both heart rate and blood pressure.29.
What are the Effects of Marijuana on a Fetus? Marijuana has many effects on the developing fetus. First, carbon monoxide in the motherâs blood travels across the placenta, lowering the amount of oxygen in the babyâs blood. This results in low birth weight. Marijuana can also damage the developing fetusâ brain, lungs and kidneys.