Morning-After Pill & Early Pregnancy: Understanding Miscarriage Risk

No, the morning-after pill cannot cause a miscarriage in a 1-month-old pregnancy. The morning-after pill is an emergency contraceptive pill that is used to prevent pregnancy after unprotected intercourse. It works by preventing or delaying ovulation, which is the release of an egg from the ovary. If ovulation has already occurred, the morning-after pill will not be effective.

In order for a miscarriage to occur, the pregnancy must first be established, which means that an egg must be fertilized and implant in the uterus. At 1 month of pregnancy, the embryo is still very small and is still developing the fetal pole and other structures. If a miscarriage were to occur at this point, it would likely be due to natural causes, such as chromosomal abnormalities or insufficient production of the hormone progesterone. The morning-after pill does not have any direct effects on the developing pregnancy and cannot cause a miscarriage.