Table 4.

Prolactin levels in IUD users

Type of IUD	Subjects	Prolactin levels	Comments and reference
Lippes loop	6	Increase after insertion	Normalized next cycle34
Lippes loop C	2	Increase after insertion	Galactorrhea reversed after removal26
$\begin{array}{l}\text{Copper} 7^{\circledR }\hfill \\ {\text{Copper-T}}^{\text{®}}\hfill \\ \text{Soonawalla YCu}\hfill \end{array}\}$	40	Increase compared to control (P<0.05)	28
$\begin{array}{l}\text{Copper} (\text{unspecified}) 25\hfill \\ \text{Inert} (\text{unspecified}) 25\hfill \end{array}\}$	50	No increase	Controlled29
Progestasert	26	No increase	27
$\begin{array}{l}\text{Copper} 7 25\hfill \\ \text{Lippes loop} 17\hfill \end{array}\}$	42	No increase	Controlled30
$\begin{array}{l}\text{Progestasert} 14\hfill \\ \text{Copper-T} 21\hfill \end{array}\}$	35	No increase	Controlled-lactating33

Notes: Lippes Loop (Ortho Pharmaceutical, Raritan, NJ, USA); Copper 7® (G.D.Searle and Co., High Wycombe, England, UK); Copper-T® (Ortho Pharmaceutical); Soonawalla YCu (Prof RP Soonawala, Indian Council of Medical Research, Mumbai, India); Progestasert (Alza Corporation, Palo Alto, CA, USA). Copper T 200 originally marketed by Ortho Pharmaceuticals, now replaced by TCU 380A of Teva Pharmaceutical Industries Ltd.

Abbreviation: IUD, intrauterine device.