Acne refers to acne, and it is possible to get acne on the face in the first month of pregnancy because pregnancy can lead to changes in hormone levels in the body, or caused by sebaceous gland secretion and discharge disorders during pregnancy, or Propionibacterium acnes infection. After pregnancy, hormone levels in the body will rise and sebaceous glands will secrete more vigorously. If the sebaceous gland secretions cannot be completely discharged, Propionibacterium acnes will proliferate excessively, causing acne, which manifests itself in the form of pimples and pimples. Some women like to eat sweets and greasy food after pregnancy, and poor eating habits can also cause sebaceous glands to secrete vigorously, prompting the occurrence of acne. There are also women who suffer from severe vomiting during the first month of pregnancy, which can affect the endocrine system and lead to increased sebum secretion and acne. There are also women who do not pay attention to skin hygiene after pregnancy, which may cause bacteria or Propionibacterium acnes to multiply and develop acne. There may be other reasons for acne in the first month of pregnancy. It is recommended to visit the hospital in time for a complete examination to clarify the cause of the problem, and then give targeted treatment or therapy.