Name: Madhu
Hi Usha,
Yogasans benefit the entire body. Following are the asans which are important for the proper working of endocrine glands(hormones)and reproductive organs.
Though each asan has more benefits, I have just listed the benefit w.r.t conception.
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Yogasans:
1.)Pavanmuktasan : strengthens the working of thyroid/parathyroid glands, good for pancreas besides other benefits related to acidity, gas etc
2.)Sarvangasan: good for thyroid parathyroid glands
3.)Matsyasan: good for the working of thyroid parathyroid pituitary and pineal glands
4.)Kandhrasan: good for reproductive organs
5.)Salabhasan: good for the uterus and for mestural irregularities
6.)Bhujangasan: benefits the ovaries, working of thyroid gland, effective in problems of white discharge, irregularity of menses etc.
7.)Gomukhasan: effective in menstrual irregularities, fibroids etc.
8.)Ardha Matsyandrasan: benefits same as gomukhasan
9.)Ushtrasan: strengthens the working of thyroid gland.
Do not do the asans during menses. After the menses are over till ovulation try to do all the asans and after ovulation and intercourse avoid asans which are strenous and put undue stress.
In the beginning try to take the help of an instructor if u need one.
All the best!
Madhu