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Blessing and Greeting: 

I am in receipt of your letter in which you ask whether this is the right time for you to become pregnant again. 

In general, it is surely unnecessary to emphasize to you at any length that children are a special blessing from G-d and, indeed, one of the essential blessings. It is also self-evident that this is not a matter in which a human being can choose the right time and set up his or her own calendar. Clearly, a Jew must trust in G-d, the Creator and Master of the world, and although a person must do his part in the natural order of things, this matter in particular should be left to G-d, and one should not attempt to interfere in G-d's affairs. In other words, a Jew is expected to live a normal life, in accordance with the will of G-d, as revealed in the Torah and codified in the Shulchan Aruch, and to leave the question of pregnancy to G-d, Who will find the right and proper time for it. 

To be more explicit, my mentioning the Shulchan Aruch is to emphasize the great importance of observing the laws and regulations of taharat hamishpachah in particular, within the general framework of observing all the mitzvot. 

With blessing,