Translation of "Monogamous" in Spanish

Who really needs a monogamous relationship.

que necesita realmente una relación monógama.

In a consensually, non-monogamous way.

de manera polígama y consensuada.

In our monogamous part of the world, to marry means to halve one’s rights and double one's duties.

En nuestra parte monógama del mundo, casarse significa dividir entre dos tus derechos y duplicar tus obligaciones.