Please choose the correct ending to complete the given sentence: Health: [header] How to use aromatherapy during pregnancy [title] Locate an aromatherapist. [step] A specialist trained in aromatherapy should be able to evaluate your medical history and recommend suitable dosages and blends of oils to meet your specific needs. [title] Speak to your obstetrician or health care provider before beginning a course of aromatherapy treatment.

Ending1: [step] Your doctor may suggest aromatherapy supplements. [title] Understand the benefits of using aromatherapy supplements. Ending2: [step] If you do not take medication at the time of your pregnancy, consult with your prescriber so you can get a recommendation from him or her. [title] Observe the natural sensations you give yourself during sex. Ending3: [step] Some essential oils carry a serious risk when used in the presence of some medical conditions. Additionally, certain oils should not be used during pregnancy as they may be harmful to the fetus. Ending4: [step] If you are on blood thinners or have a history of blood clots, talk to your doctor about aromatherapy treatment options. [substeps] Ask your physician, ob-gyn, or midwife first if your doctor has knowledge of aromatherapy.

Answer format: ending1/ending2/ending3/ending4