Overall and baseline mean (± SE) concentrations of fecal estrogens before and after Suprelorin and MGA contraception treatments.

<p>^a,b,c Within each animal, hormones are compared by column and different subscripts indicate significant difference before and after treatment (<i>P</i> < 0.05).</p><p>*Months post-contraceptive treatment</p><p>^{^}Months after MGA removal</p><p>⁺SB109 was previously treated with DMPA– 10/27/1999 and Suprelorin– 12/1/1999: 2 x 6mg (older formulation). SB109 gave birth 5/23/2002, a reversal 2.5 yr after treatment with the old Suprelorin formulation.</p><p>^ɣSB341 was given oral MA for 14 days around the day of Suprelorin implant placement and the data from those samples are not included in the average hormone values.</p><p>^θSB124 was previously treated with MGA—7/21/1998, 1/21/1999 and 12/17/2003. SB124 gave birth 6/14/2002 and 12/5/2004, reversals of the previous two MGA treatments.</p><p>Overall and baseline mean (± SE) concentrations of fecal estrogens before and after Suprelorin and MGA contraception treatments.