It is normal to feel some stress during pregnancy. Your body is going through many changes, and as your hormones change, so do your moods. Too much stress can cause you to have trouble sleeping, headaches, loss of appetite, or a tendency to overeatâall of which can be harmful to you and your developing baby. High levels of stress can also cause high blood pressure, which increases your chance of having preterm labor or a low-birth-weight infant.
1 Arborvitae: Plants toxic to dogs that can cause poisoning if eaten in large quantity. Look for skin allergic reaction. 2  Arrowgrasses: leaves can be toxic.  Arrowhead vine: can cause swelling in the mouth, swalloing difficulty, breathing problems, stomach upset.
All varieties of the oleander plant are poisonous for both dogs and cats. This plant contains cardiac glycosides which can cause sudden death from heart failure. The castor bean plant is deadly to both dogs and cats. The beans of this plant contain a toxin called ricin.