BEFORE THE MIFEPRISTINE-MISOPROSTOL REGIMEN

FUN FACT

Before the widespread adoption of the mifepristone (RU-486) and misoprostol combination for medical abortions, several other methods were used, both medicinal and procedural. Here are some of the approaches: 

Medications:

1. Methotrexate and Misoprostol:

  • Methotrexate: Originally used as a chemotherapy agent and for treating ectopic pregnancies, methotrexate was employed to terminate early pregnancies. It works by inhibiting the growth of rapidly dividing cells, including trophoblastic tissue in pregnancy.
  • Misoprostol: This medication was used after methotrexate to induce uterine contractions and expel the pregnancy. Misoprostol is a prostaglandin analogue that causes the cervix to soften and the uterus to contract. 

Surgical Procedures:

1. Vacuum Aspiration (Suction Curettage):

This method involves the use of a manual or electric vacuum device to remove the contents of the uterus. It is usually performed in the first trimester and can be done under local anesthesia, with or without sedation. 

2. Dilation and Curettage (D&C):

This procedure involves dilating the cervix and then using a surgical instrument called a curette to scrape the uterine lining. It is more invasive than vacuum aspiration and was commonly used before the advent of vacuum techniques. 

3. Dilation and Evacuation (D&E):

Typically used in the second trimester, this procedure combines vacuum aspiration, dilation, and the use of surgical instruments to evacuate the uterus.

Hormonal Methods:

1. High-Dose Estrogen and Progestin Regimens

Before the availability of more effective and safer options, high doses of combined estrogen and progestin were sometimes used to induce abortion, although these methods were less effective and had more side effects compared to modern regimens.

2. Prostaglandins:

Synthetic prostaglandins were used to induce uterine contractions and were sometimes administered via vaginal suppositories, intramuscular injections, or other routes. These methods could be effective but often had significant gastrointestinal and other systemic side effects.

Contextual Considerations:

Access to Care:

Availability of these methods varied widely depending on the country, the legal status of abortion, and the accessibility of healthcare services.

Safety and Effectiveness:

While surgical methods were generally effective, they required medical supervision and facilities. Medical methods like the methotrexate and misoprostol combination were less invasive but required follow-up to ensure complete abortion and manage any complications.

The introduction of mifepristone and misoprostol revolutionized medical abortion by providing a highly effective, less invasive, and more accessible option for early pregnancy termination.