Summary of The IUD: A History

Overview of Stuff You Missed in History Class — "The IUD: A History"

This episode traces the invention, scientific development, public perception, and social impact of the intrauterine device (IUD) from early pessaries and anecdotal origins through 20th‑century innovations, the Dalkon Shield scandal, regulatory fallout, and modern clinical guidance on pain management and informed consent. Hosts Tracy V. Wilson and Holly Frey emphasize both medical/technical history and the social contexts—birth control movements, eugenics, wartime politics, and coercive population policies—that shaped how IUDs were used and perceived worldwide.

Key takeaways

• The IUD’s direct predecessors were vaginal and intrauterine pessaries—ancient to 19th‑century devices used for prolapse and sometimes contraception.
• The first published IUD-like device appears in 1909 (Richard Richter); significant work followed in the 1920s–30s (Karl Pust, Ernst Grafenberg).
• Post‑WWII material advances (plastics) and new designs (Margulies spiral, Lippes loop, Copper T, hormone‑releasing devices) made modern IUDs possible and more effective.
• The Dalkon Shield (introduced late 1960s) caused widespread injury, infections, deaths, mass litigation, and loss of public trust in IUDs—leading to stricter regulation (Medical Device Amendments of 1976; IUDs classed as high‑risk).
• Use of IUDs diverged globally: in some countries (notably China under the one‑child policy) IUDs were widely deployed—sometimes coercively—while in the U.S. IUD use fell dramatically after Dalkon.
• Pain during insertion is common and significant for many; contemporary guidelines (CDC, WHO, ACOG) now recommend counseling and offering pain‑management options (topical anesthetics, paracervical blocks, sedation when appropriate).
• IUDs sit at the intersection of reproductive autonomy and coercion: they can be liberating when chosen but can be used as tools of control or imposed without consent.

Timeline — major developments

Early precursors (ancient–19th century)

• Pessaries (vaginal devices) are an old technology historically made from metals, cork, sponges, etc.; sometimes used as contraceptives (diaphragms, cervical caps evolved from these).
• Intracervical and intrauterine pessaries (late 19th–early 20th century) often used to support uterus or as attempted contraception; many were ineffective and infection‑prone.

Early 20th century: first IUD descriptions

• 1909 — Richard Richter publishes the first IUD description (silkworm gut loop with a wire tail visible on X‑ray).
• 1923 — Karl Pust describes a silkworm‑gut loop with a glass button resting on the cervix; claimed widespread use.
• 1920s–30s — Ernst Grafenberg develops a metal/wire intrauterine ring (Grafenberg ring); reported low failure rate but attracted safety criticisms. (Grafenberg later emigrated to the U.S.; his name is also linked to the G‑spot literature.)

Mid 20th century: plastics and renewed research

• 1948 — Mary Halton et al. publish on gelatin capsule insertion of silkworm gut devices (a controversial paper at the time).
• 1959 — Vili Oppenheimer and Atsumi Ishihama publish influential papers reporting low failure rates and limited complications, helping reduce stigma and spur research.
• 1959–1962 — Innovations: Margulies spiral (polyethylene spiral), Lippes loop (S‑shaped plastic loop).
• 1962 — First international IUD conference (Population Council sponsored), reflecting global interest tied to population concerns.

Late 1960s–1970s: copper and hormonal IUDs; Dalkon Shield

• Late 1960s — T‑shaped ideas emerge to reduce expulsion and discomfort; discovery that copper has a contraceptive effect (Zipper) leads to Copper T designs (e.g., Copper T‑200).
• 1970 — Hormonal (progesterone‑releasing) T‑shaped IUD developed (e.g., Scomegna’s Progesticert).
• 1968–1975 — The Dalkon Shield (Hugh Davis/Irwin Lerner; mass marketed by A.H. Robbins) is associated with uterine perforations, severe infections, pelvic inflammatory disease, deaths, and high pregnancy/failure rates. By 1974 >2.2 million sold; massive litigation followed; company bankrupt; $2.5B settlement in 1989.
• 1976 — U.S. Medical Device Amendments empower the FDA and classify IUDs as Class III (highest risk).

Global patterns and coercion

• Adoption varied: IUDs surged in many countries unaffected by Dalkon publicity. By 1985 an estimated 60 million users worldwide (≈40 million in China).
• In China, IUDs were widely used as part of the one‑child policy (post‑1979), sometimes coercively; recent examples of coercion in other settings (e.g., Britney Spears conservatorship testimony) are noted.

Impact & controversies

• Safety and infection risk: Early devices and poor insertion/strings caused genuine infection risks—heightened before antibiotics and exacerbated by some designs (e.g., multifilament strings on the Dalkon Shield).
• Public trust: The Dalkon Shield greatly reduced public trust in IUDs in the U.S., contributing to a precipitous drop in use (from ~10% of contraceptive users in 1970 to <1% by 2000 in the U.S.; worldwide trends differed).
• Regulatory change: The crisis helped spur stronger medical device regulation and more rigorous safety standards.
• Reproductive justice concerns: IUDs can be empowering when accessed freely, but they can also be tools of coercion (state policies, nonconsensual placements/removals). Access inequality matters: autonomy depends on service availability, informed consent, and safe removal.

Modern clinical guidance & patient experience

• Pain during insertion: a 2023 study cited—about 2.5% reported no pain; nearly 49.7% reported intense pain. Higher pain scores seen in those who haven’t given birth or whose deliveries were by C‑section.
• Current guidelines:
  • WHO (2025): paracervical block and topical lidocaine options can be routinely offered; counsel patients about pain, risks, benefits, and alternatives; create a person‑centered pain‑management plan.
  • CDC (2016 update): paracervical block with lidocaine might reduce insertion pain.
  • ACOG (2025): recommends anesthetic sprays/creams and paracervical blocks for IUD insertion; consider sedation/anti‑anxiety medication when appropriate.
• Providers should offer counseling, shared decision‑making, and pain‑management options; failing to discuss pain management is not in line with current guidance.

Notable quotes and insights from the episode

• “The pessary is the most likely precursor to the IUD.” — emphasizes continuity from ancient devices to modern IUDs.
• Grafenberg’s early ring work influenced later designs (and Grafenberg is the namesake for the G‑spot literature).
• The Dalkon Shield episode demonstrates how device design flaws and corporate decisions can have massive public‑health and legal consequences.
• Modern recommendations now explicitly call for pain counseling and offering anesthetic options—an acknowledgement of past neglect and medical sexism around women’s pain.

Action items & practical advice (for listeners)

• If considering an IUD:
  • Ask your provider about pain‑management options (topical lidocaine, paracervical block, anti‑anxiety meds) and what they routinely offer.
  • Request thorough counseling on risks, benefits, alternatives, and removal procedures.
  • Confirm how long the device is approved to remain in place (copper vs hormonal IUD durations differ).
• If you have concerns about coercion or unwanted device placement, seek support from reproductive‑health advocates, legal aid, or trusted clinicians.
• Clinicians and health systems should follow WHO/CDC/ACOG guidance on counseling and pain management, and document informed consent.

Sources / further reading

The hosts point to detailed show notes and source lists on the show website (missinhistory.com). The episode mentions primary historical papers (Richter 1909; Pust 1923; Grafenberg 1931), mid‑century studies (Halton et al. 1948; Oppenheimer and Ishihama 1959), the Dalkon Shield litigation and its regulatory consequences, and modern WHO/CDC/ACOG guidance documents.

(For exact citations and deeper primary sources, see the podcast’s online show notes.)